Drill Collet. Size:0.5mm,1.0mm,1.5mm,2.5mm,3.0mm.
Grill chuck hole diameter:3.17mm.
Grill chuck length:27.5mm.
Easy to use and install. Conveniently, safely & quickly. Universal chuck Mini Quick Change Keyless Chuck. 0.5-3mm Small Electric Drill Bit Collet Micro Twist Drill Chuck Set. This 0.5-3mm twist drill chuck set is made of copper with excellent workmanship. Go with twist drill as a mini hand drill for ABS board,aluminum sheet,paperboard drilling.
1X Drill Chuck 1x Wrench 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