What is this?Universal joint shaft coupling allows for bending at any angle (maximum working angle of 45 degrees) and enables flexible change in the transmission direction. For instance, when a motor shaft is originally oriented to the south, the universal joint connection can re-direct the rotational axis toward the ground. This universal joint is suitable for model cars, model boats, robots, and other metal transfer connections.What will I get?Material: MetalThread Size: M4Inner Diameter: 8mm to 8mm (0.31 inch)Length: 35 mm / 1.38 inchOuter Diameter: 14 mm / 0.55 inchColor: Silver TonePackage List: 2 Pcs x Universal Joint; 8 Pcs x M4 Fastening Screw; 1 Pcs x Mini Hex WrenchAre there any advantages of the product?The universal joint coupling nuts are nickel-coated iron, which is sturdy and durable for long-lasting use.
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