1X 2.5mm drill collet 1X Copper Cap Go with drill as a mini hand drll for ABS board, aluminum sheet, paperboard drilling The collets can go with drill as a mini hand drll for ABS board, aluminium shet, paperboard drilling. 0.5-3.0mm drill collet This 0.5-3mm drill chuck set is made of copper with excellent workmanship. Material: copper Excellent workmanship 1X Axis Drill Collet Size: 0.5mm, 1.0mm, 1.5mm, 2.5mm, 3.0mm 1X 3.0mm drill collet 1X 0.5mm drill collet 1X 1.0mm drill collet 1X 1.5mm drill collet Go With Drill As A Mini Hand Drll For ABS Board, Aluminum Sheet, Paperboard Drilling 1X Copper Cap 0.5-3.0mm Drill Collet The Collets Can Go With Drill As A Mini Hand Drll For ABS Board, Aluminium Shet, Paperboard Drilling. 1X 0.5mm Drill Collet