This coupler often used to connect servo motor, stepper motor, encoder, screw driving, machine platform, etc. Widely used in drive systems for encoders,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required. The product structure is simple and easy to install. It has the characteristics of cushioning, wear-resisting, rust-proof, disassembly and assembly, etc. Color Silver Size 5mm*8mm*25mm/0.20x0.31x0.98" Usage 3D Printer Material Aluminium Alloy Diameter 19mm/0.75" Working Temperature 100 Type Flexible Shaft Coupling Brand Unbranded/Generic MPN DE4894669462509 EAN 4894669462509 Brand Unbranded/Generic MPN DE4894669462509.