Unique Bargains Shaft Coupling 4mm to 4mm Bore L22xD14 Robot Motor Wheel Rigid Coupler Connector Silver Tone 2Pcs

Description:
Made from aluminum alloy material to reduce inertia
Rigid coupling,high torque with rigidity,low inertia and excellent sensitivity
No rotation gap, elastic action can make up for symmetrical angular misalignment, Maintenance-free, oil proof and corrosion resistance
Suitable for model car, model boat, hardware, mould, mechanical drive situations etc

Note:
Please allow 1-3mm differs due to manual measurement
Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding