Aluminum Protobox 5lbs -Part #: 21886

It’s a metal variety box filled with a mixture of different shapes, sizes, and weights in the metal of your choice. Designed with prototyping, testing, and tinkering in mind, most pieces in the Protobox are smaller than 1

2 inchx 6", .
Each Protobox is different, based on the materials available at the time your box is packed.