Shop all Products
Widest range of Brass sizes and alloys in stock
Deals
Get a Quick Quote

Copper Round Tube / Tubing

Show full description
round-tube-large-new-min-4superZoom-main

Copper Round Tube / Tubing

We carry copper tubing for sale in 101 and 122. Copper 101 is known for excellent thermal and electrical conductivity, and Copper 122 boasts good corrosion resistance, weldability, and formability. Our copper tube is available in lengths of 1ft, 2ft, 3ft, 4ft, 5ft, 6ft, 7ft, 8ft, and 12ft. You can also order it in custom-cut lengths. Price and order your copper tubing online, and have it shipped directly to you, or pick it up at one of our six locations across the U.S.

Material Properties

Link Icon Copper Product Guide | Link Icon Copper Round Tube Tolerances

Sort by

121 results

Close

Filter your results

Clear Search

More filters

Unit of Measure

DFARS

seller

Can't find what you need?

Contact our experienced US-based customer service team for hard-to-source materials.


0.0625" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (3 Pieces) Part # mp-00000799

0.0625" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (3 Pieces) -
Part #: mp-00000799
Sold & Shipped by K&S Precision Metals

Pack of 3

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.99
$6.99 ea.

Dimensions

  • Outer Diameter: 0.0625"
  • Wall: 0.014"
  • Inner Diameter: 0.0345"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000799

Copper Telescopic Round Tubing Assortment 122 (7 Pieces) Part # mp-00000804

Copper Telescopic Round Tubing Assortment 122 (7 Pieces) -
Part #: mp-00000804
Sold & Shipped by K&S Precision Metals

Pack of 7

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$16.99
$16.99 ea.

Dimensions

  • Outer Diameter: 0.0625, 0.09375 , 0.125, 0.15625, 0.1875, 0.21875, 0.25,
  • Wall: 0.014each
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000804

(0.09375",0.15625",0.125") Bendable Copper Tube 122 - 12" Long (1 Piece Each) Part # mp-00000791

(0.09375",0.15625",0.125") Bendable Copper Tube 122 - 12" Long (1 Piece Each) -
Part #: mp-00000791
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$7.99
$7.99 ea.

Dimensions

  • Outer Diameter: 0.09375 ,0.15625, 0.125
  • Wall: 0.014"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000791

0.09375" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (3 Pieces) Part # mp-00000801

0.09375" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (3 Pieces) -
Part #: mp-00000801
Sold & Shipped by K&S Precision Metals

Pack of 3

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.99
$6.99 ea.

Dimensions

  • Outer Diameter: 0.0938"
  • Wall: 0.014"
  • Inner Diameter: 0.0658"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000801
SALE! Select Cut Sizes

1/8" OD x 0.032" Wall x 0.061" ID Copper Round Tube 101 Part # 18326

1/8" OD x 0.032" Wall x 0.061" ID Copper Round Tube 101 -
Part #: 18326
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$3.00 for 1
$3.00 ea.

Dimensions

  • Outer Diameter: 0.125"
  • Wall: 0.032"
  • Inner Diameter: 0.061"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk18326

0.125" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) Part # mp-00000806

0.125" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) -
Part #: mp-00000806
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5.99
$5.99 ea.

Dimensions

  • Outer Diameter: 0.125"
  • Wall: 0.014"
  • Inner Diameter: 0.097"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000806

0.15625" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (8 Pieces) Part # mp-00000802

0.15625" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (8 Pieces) -
Part #: mp-00000802
Sold & Shipped by K&S Precision Metals

Pack of 8

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$37.99
$37.99 ea.

Dimensions

  • Outer Diameter: 0.1563"
  • Wall: 0.014"
  • Inner Diameter: 0.1283"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000802

0.15625" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) Part # mp-00000809

0.15625" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) -
Part #: mp-00000809
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.99
$6.99 ea.

Dimensions

  • Outer Diameter: 0.1563"
  • Wall: 0.014"
  • Inner Diameter: 0.1283"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000809
SALE! Select Cut Sizes

3/16" OD x 0.032" Wall x 0.1235" ID Copper Round Tube 101 Part # 21993

3/16" OD x 0.032" Wall x 0.1235" ID Copper Round Tube 101 -
Part #: 21993
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$3.93 for 1
$3.93 ea.

Dimensions

  • Outer Diameter: 0.1875"
  • Wall: 0.032"
  • Inner Diameter: 0.1235"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk21993

3/16" OD x 0.032" Wall x 0.1235" ID Copper Round Tube 122 Part # 21954

3/16" OD x 0.032" Wall x 0.1235" ID Copper Round Tube 122 -
Part #: 21954
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$3.77 for 1
$3.77 ea.

Dimensions

  • Outer Diameter: 0.1875"
  • Wall: 0.032"
  • Inner Diameter: 0.1235"
Click for more details
copper-round-tube-122-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-122-1superZoom-desk21954

0.1875" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) Part # mp-00000803

0.1875" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) -
Part #: mp-00000803
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5.99
$5.99 ea.

Dimensions

  • Outer Diameter: 0.1875"
  • Wall: 0.014"
  • Inner Diameter: 0.1595"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000803

0.1875" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (7 Pieces) Part # mp-00000805

0.1875" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (7 Pieces) -
Part #: mp-00000805
Sold & Shipped by K&S Precision Metals

Pack of 7

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$53.99
$53.99 ea.

Dimensions

  • Outer Diameter: 0.1875"
  • Wall: 0.014"
  • Inner Diameter: 0.1595"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000805

0.21875" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (6 Pieces) Part # mp-00000792

0.21875" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (6 Pieces) -
Part #: mp-00000792
Sold & Shipped by K&S Precision Metals

Pack of 6

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$52.99
$52.99 ea.

Dimensions

  • Outer Diameter: 0.2188"
  • Wall: 0.014"
  • Inner Diameter: 0.1908"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000792

0.21875" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) Part # mp-00000810

0.21875" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) -
Part #: mp-00000810
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.99
$6.99 ea.

Dimensions

  • Outer Diameter: 0.2188"
  • Wall: 0.014"
  • Inner Diameter: 0.1908"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000810

1/4" OD x 0.032" Wall x 0.186" ID Copper Round Tube 101 Part # 19730

1/4" OD x 0.032" Wall x 0.186" ID Copper Round Tube 101 -
Part #: 19730
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5.57 for 1
$5.57 ea.

Dimensions

  • Outer Diameter: 0.25"
  • Wall: 0.032"
  • Inner Diameter: 0.186"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk19730

1/4" OD x 0.035" Wall x 0.18" ID Copper Round Tube 101 Part # 18328

1/4" OD x 0.035" Wall x 0.18" ID Copper Round Tube 101 -
Part #: 18328
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.25 for 1
$6.25 ea.

Dimensions

  • Outer Diameter: 0.25"
  • Wall: 0.035"
  • Inner Diameter: 0.18"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk18328

1/4" OD x 0.035" Wall x 0.18" ID Copper Round Tube 122 Part # 20154

1/4" OD x 0.035" Wall x 0.18" ID Copper Round Tube 122 -
Part #: 20154
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5.49 for 1
$5.49 ea.

Dimensions

  • Outer Diameter: 0.25"
  • Wall: 0.035"
  • Inner Diameter: 0.18"
Click for more details
copper-round-tube-122-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-122-1superZoom-desk20154

1/4" OD x 0.049" Wall x 0.152" ID Copper Round Tube 122 -  Part # 20155

1/4" OD x 0.049" Wall x 0.152" ID Copper Round Tube 122-
Part #: 20155
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1/4" OD x 0.025" Wall x 0.2" ID Copper Round Tube 122 -  Part # 1861

1/4" OD x 0.025" Wall x 0.2" ID Copper Round Tube 122-
Part #: 1861
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1/4" OD x 0.065" Wall x 0.12" ID Copper Round Tube 122 -  Part # 1862

1/4" OD x 0.065" Wall x 0.12" ID Copper Round Tube 122-
Part #: 1862
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.25" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (5 Pieces) Part # mp-00000790

0.25" OD x 0.014" Wall Copper Round Tube 122 - 36" Long (5 Pieces) -
Part #: mp-00000790
Sold & Shipped by K&S Precision Metals

Pack of 5

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$46.99
$46.99 ea.

Dimensions

  • Outer Diameter: 0.25"
  • Wall: 0.014"
  • Inner Diameter: 0.222"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000790

0.25" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) Part # mp-00000808

0.25" OD x 0.014" Wall Copper Round Tube 122 - 12" Long (1 Piece) -
Part #: mp-00000808
Sold & Shipped by K&S Precision Metals

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.99
$6.99 ea.

Dimensions

  • Outer Diameter: 0.25"
  • Wall: 0.014"
  • Inner Diameter: 0.222"
  • Ships In: 1 Business Day
Click for more details
-mob{product.code}

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
-deskmp-00000808

5/16" OD x 0.032" Wall x 0.2485" ID Copper Round Tube 101 Part # 18329

5/16" OD x 0.032" Wall x 0.2485" ID Copper Round Tube 101 -
Part #: 18329
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$6.25 for 1
$6.25 ea.

Dimensions

  • Outer Diameter: 0.3125"
  • Wall: 0.032"
  • Inner Diameter: 0.2485"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk18329

5/16" OD x 0.065" Wall x 0.1825" ID Copper Round Tube 101 Part # 18330

5/16" OD x 0.065" Wall x 0.1825" ID Copper Round Tube 101 -
Part #: 18330
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$12.04 for 1
$12.04 ea.

Dimensions

  • Outer Diameter: 0.3125"
  • Wall: 0.065"
  • Inner Diameter: 0.1825"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk18330

3/8" OD x 0.065" Wall x 0.245" ID Copper Round Tube 101 Part # 18333

3/8" OD x 0.065" Wall x 0.245" ID Copper Round Tube 101 -
Part #: 18333
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$12.83 for 1
$12.83 ea.

Dimensions

  • Outer Diameter: 0.375"
  • Wall: 0.065"
  • Inner Diameter: 0.245"
Click for more details
copper-round-tube-101-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-F68 , ASTM-B75

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
copper-round-tube-101-1superZoom-desk18333

Displaying 1 - 25 of 121 results

Results per page

Can't find what you're looking for?

Contact us for a custom quote