Description:Made of high-strength copper 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 2mmTotal Length: 20mm / 0.79 inchOutside Diameter : 9mm / 0.35 inchThrough Angle: 180 DegreeMaterial: CopperColor: Brass ToneScrews Size: M3x3mm (D*L)Package Content:4 x Rigid Shaft Coupler16 x M3 Screws
