Mainly used for servo motors, spindle, step motor and so on.Wear resistant ,high hardness and excellent response.Super elastic torque can absorb vibration, appropriate a large torque transmission. Specification:Color: Silver ToneNet Weight: 173gMaterial: Aluminum AlloyFixed Type: ClampThread Size: M6Connection Diameter: 1/2inch to 1/2inchTotal Length: 66mm /2.6 inchOutside Diameter : 40mm/ 1.57 inch Package List:1x Flexible Shaft Coupler.
eBay