1The structure is simple, easy to install, buffer, damping, convenient to disconnect 2Compact size and smooth surface 3The elastic connection, it can absorb vibration, compensate radial, angular and axial misalignment 4Shaft coupling is often used to connect servo motor stepper motor,encoder, screw driving, machine platform etc 5Clockwise and counterclockwise rotation properties are identicalFeatures: _x000D_The structure is simple, easy to install, buffer, damping, convenient to disconnect. _x000D_Compact size and smooth surface _x000D_The elastic connection, it can absorb vibration, compensate radial, angular and axial misalignment. _x000D_Shaft coupling is often used to connect servo motor stepper motor,encoder, screw driving, machine platform etc. _x000D_Clockwise and counterclockwise rotation properties are identical. _x000D_Clamp the screws and fix them._x000D__x000D_Widely used in the shafting transmission of various mechanical devices, such as pumps, fans, compressors, petroleum machinery, printing machinery. _x000D__x000D__x000D_Specifications: _x000D_Elastomer material: imported polyurethane_x000D_Sleeve material: high strength aluminum alloy_x000D__x000D_Allowable speed: 10000 (r/m)_x000D_Allowable torque: 12.5 (N.M)_x000D_Length: 40 mm / 1.57in_x000D_Outer diameter: 30 mm / 1.18in _x000D_Hole diameter: 10mm-14mm / 0.39-0.55in_x000D_Weight: 58g _x000D__x000D__x000D_Package included: _x000D_1 x Flexible Coupler