7 Pcs 0.5-3mm Small Electric Drill Bits Collet Drill Chuck Set W Wrench
1 0.5mm Drill Collet. 1 1.0mm Drill Collet. 1 1.5mm Drill Collet. 1 2.5mm Drill Collet. 1 3.0mm Drill Collet. Can be as a for mini hand drill for ABS board, aluminium sheet, paperboard drilling.