Description:

[Clamping Range] - Use for 2.5mm to 3.17mm diameter micro drill bits. [Fits Motor Shaft Size] - Match for 2.3mm diameter motor shaft. [Package Content] - 1 x Drill Chuck, 1 x Drill Chuck Key. [Applications] - Ideal for combined using with hand drill or electric drill, to drill ABS, wood board, press paper, etc.. [Note] - Before lock bit need to adjust the concentricity, otherwise there will be a vibration.