- Cold Roll
- Hot Roll
- Other Metals
It's an aluminum mystery box! Filled with a variety of shapes and sizes, perfect for the serious fabricator or the hobbyist.
Each Protobox is different, based on the materials available at the time your box is packed. Most pieces will be smaller than 12" x 6", and will be a variety of shapes.
View our "Guide to Aluminum" for available grades, shapes and additional information.