Copper miniature drill chuck, and drill mix to form a hand drilEasy to ABS board, wood, sheet aluminum, cardboard punch.
Adapter drill: 0.5MM-3.0MMMaterial: CopperPackage includes1X Axis1X Copper Cap1X Allen wrench1X 0.5mm drill collet1X 1.0mm drill collet1X 1.5mm drill collet1X 2.5mm drill collet1X 3.0mm drill collet