ITEM NAME:5x8mm CNC Stepper Motor Shaft Couplings Flexible clutch motor connector V8O6 5x8mm CNC Stepper Motor Shaft Couplings Flexible clutch motor connector V8O6 B1C7 100% Brand New, Never Used. This high-quality shaft coupling is often used as a servomotor, stepping motor, encoder, screwdriving, machine platform, etc. Shaft: 5mm x 8mm. Length: 25 mm. Diameter: 20 mm. Color: Silver Material: aluminum. Size: 2cm x 2cm x 2.5cm / 0.79inch x 0.79inch x 0.98inch. Weight: 18g Package Included : 1 x motor shaft couplings Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.