ITEM NAME:7x Small Electric Drill Bit Collet Micro Twist Drill Chuck for Rotary Tool Kit x.0.5-3.0mm drill collet. Drill Collet Size: 0.5mm, 1.0mm, 1.5mm, 2.5mm, 3.0mm. 1X 0.5mm drill collet. 1X 1.0mm drill collet. 1X 1.5mm drill collet. 1X 2.5mm drill collet. 1X 3.0mm drill collet. Go with twist drill as a mini hand drll for ABS board, aluminum sheet, paperboard drilling.
