5mm to 6mm Bore Rigid Coupling 25mm Length 20mm Diameter Coupler Silver 4pcs 1/2 SAE Male x 5/8 SAE Female Mount Hole Qty: 4

Mount Hole Qty: 4

Wrench Size: 47 x 16

Bearing Model: TC613

2 Pcs 4x3mm x 400mm length Carbon Fiber Tube

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5mm to 6mm Bore Rigid Coupling 25mm Length 20mm Diameter Coupler Silver 4pcs 1/2 SAE Male x 5/8 SAE Female Mount Hole Qty: 4Description: 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: 5mm to 6mm Total Length: