Zero backlash. One-piece metallic spring coupling. For little torque shaft connect.Absorption of parallel, angular misalignments and shaft end-play by spring action.Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required. Specification:Color: Silver ToneMaterial: Aluminum alloyConnection Diameter: 5mm to 5mmTotal Length: 25mm /0.98 inchOutside Diameter : 19mm/ 0.75 inch Package Content:5 x Shaft coupling.
eBay