4Pcs 8mm to 12mm Rigid Motor Shaft Coupling Coupler Sleeve Coupling Adapter for 3D Printers RC Motor Accessories healthDE_Feb2024 1*Crown seal stamp

1*Crown seal stamp

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4Pcs 8mm to 12mm Rigid Motor Shaft Coupling Coupler Sleeve Coupling Adapter for 3D Printers RC Motor Accessories healthDE_Feb2024 1*Crown seal stamp4Pcs 8mm to 12mm Rigid Motor Shaft Coupling Coupler Sleeve Coupling Adapter for 3D Printers RC Motor Accessories Description: Made from 45 Steel 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, , mechanical drive