ITEM NAME:Brass 3.17mm Electric Drill Chuck JT0 Coupling Motor Shaft Coupler Clamp Bj.Drill Clamp JT0 Connection Rod Connect Motor Drill for 3.17mm Motor Shaft. for 0.3~4mm JT0 dirll clamp. 3.17mm Shaft Coupling Motor Connector. 3.17mm Brass Mini Electric Motor Shaft Clamp Drill Chuck for 0.3mm-4mm Drill.
