DIY Mini Chuck Fixture Clamp Drill Chuck Clip, DIY-5.0 8 in 1, DIY-2.0 7 in 1, 9 in 1, DIY-3.0 8 in 1, DIY-400 4 in 1

1. Material: Copper
2. The collets can go with twist drill as a mini hand drill for ABS board, aluminum sheet, paper board drilling.
3. Which is durable, rust proof and wear resistant.
4. Quick conversion to drill bit.
5. DIY, can meet your more creative needs.