ITEM NAME:1Pcs M10 8 Mm Dc Motor Shaft Drill Adapter For Saw Blade Connection Couplin M3V5 1Pcs M10 8 Mm Dc Motor Shaft Drill Adapter For Saw Blade Connection Couplin M3V5 DIY Supplies: Electrical Model Number:Motor Shaft Adapter Flexibility of coupling shaft removes stress between the motor and driving components. colour:black Material:steel size:Match The Motor Shaft Diameter:8mm Match Saw Blade Inner Hole:10mm (M10) Package Contents: 1*Motor Shaft Coupling.Match Saw Blade Inner Hole:10mm (M10). Flexibility of coupling shaft removes stress between the motor and driving components. 1 Motor Shaft Coupling. Model Number:Motor Shaft Adapter.