3mm to 3mm Copper Diy Motor Shaft Coupling Joint Connector

Product Name: Coupling JointMaterial: CopperSize: 20mm x 9mm/0.8 inch x 0.35 inch(L*D); Type: 3mm to 3mmSide Thread Diameter: 2.5mm/0.1inch; Fixed Type: ClampColor: GoldThe coupling is great for connect your motor of 3mm to 3mm shaft to the wheel.-Can be used in electric car toy, robot, etc..Net Weight: 9gPackage Contents: 1 x Coupling Joint5 x Screws1 x L wrenchOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.