Befenybay 2 Pcs 8mm to 10mm Universal Joint Shaft Coupling With Screws for Motor

【Material】 Universal joint shaft coupling is made of 45# steel, and then electroplated，much stronger, wearproof, durable to use 【Widely Used】Universal joint shaft coupling is produced based on International Flange Standard, widely used in model shaft connection 【Dimensions】Inner Diameter: 8mm to 10mm. Outer Diameter: 16mm. Height: 34.5mm 【Package Include】2pcs 8mm to 10mm universal joint shaft coupling, 1pcs M4 hex wrench, 8pcs fastening screws 【Function】 Can be used in model airplane boat, robot,RC modelmotor etc