Description:

[Clamping Diameter] - 0.5mm, 1mm, 1.6mm, 2.4mm, 3mm. [Collet Shank Diameter] - 4.3mm / 0.17". [Material] - Made of brass material, Micro Twist Drill Chuck Set. [Package Content] - 5 x Collets, 1 x Drill Chuck, 1 x Drill Chuck Key. [Applications] - Suitable for combined using with hand drill or electric drill, to drill ABS, wood board, press paper, etc..