Description:Made of high-strength aluminum alloy with integrated structure,maintenance-free, oil proof and corrosion resistance.Top tight type rigid coupling,high torque with rigidity, low inertia and excellent sensitivity.No rotation gap, elastic action can make up for symmetrical angular misalignment.Suitable for model car, model boat, hardware, mechanical drive situations etc.Specification:Connection Bore Diameter: 2mm to 6mmTotal Length: 20mm/0.78 inchOutside Diameter : 12mm/0.47 inchThrough Angle: 180 DegreeScrews Size: M4x4mm(DxL)Hexagon Wrench Size: 46x17mm(LxW)Hexagon Side to Side Length:1.9mmMaterial: Aluminum AlloyColor: RedPackage Content:4 x Rigid Shaft Couplers4 x Hexagon Wrenches16 x M4 Screws
