uxcell 6.35mm to 6.35mm Aluminium Alloy DIY Motor Shaft Coupling Joint Connector for Electric Car Toy Product Name: Coupling Joint; Material: Aluminum Alloy Size: 25 x 14mm/1" x 0.55"(L*D); Type: 6.35mm - 6.35mm Side Thread Diameter: 3mm/0.12"; Fixed Type: Clamp Main Color: Blue; Net Weight: 11g Package Content: 1 x Coupling Joint, 5 x Screws, 1 x L Bar