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: 10mm to 12mmTotal Length: 25mm /0.98 inchOutside Diameter : 20mm/ 0.79 inchThrough Angle: 90 DegreeMaterial: Aluminum AlloyColor: SilverScrews Size: M4*4mm (D*L)Package Content:1 x Rigid Shaft Coupler4 x M4 Screws
