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: 1/8 inch to 5mmTotal Length: 20mm /0.79 inchOutside Diameter : 10mm/ 0.39 inchThrough Angle: 180 DegreeMaterial: Aluminum AlloyColor: Light BlueScrew Thread Size: M3Package Content:2 x Rigid Shaft Couplers8 x M3 Screws
