Universal Joint Coupling Shaft for RC Models - High-Quality Motor Coupler for Airplanes, Boats, and Robots | Perfect for DIY RC Projects and Mechanical Linkages

Features: 100% brand new and high quality. Made of premium metal material, it is durable and has long service life. This joint or coupling connects rigid rods whose axes are inclined to each other. It is commonly used for shafts that transmit rotary motion. Ideal accessories for RC model motor, such as model airplane, boats and robots. Specification:Material: MetalWeight: Approx.128g/ 4.5ozLength: Approx.56mm/2.2inInside diameter: 12mm/0.47in Outside diameter: 24mm/0.94inPackage List:1 * Universal Joint2 * ScrewNote:Please allow slight error due to manual measurement. Thanks for your understanding.