Features:
*3.17/4/5/6/8mm Axle Motor Shaft Coupler Sleeve Saw Blade Coupling Chuck Adapter.
*Flexibility of coupling shaft removes stress between the motor and driving components.
*It can play a role in the unexpected.
*Great helper for your productivity.
Specifications:
*Material: Steel
*Color: Black/Silver
*Match Saw Blade Inner Hole: 6mm (M6)
*Match The Motor shaft Diameter: 3.17mm,4mm,5mm,6mm,8mm.(Pls choose one type)