Specification Brand : Fauitay BulletPoint1 : It is commonly used for shafts that transmit rotary motion. BulletPoint2 : Ideal accessories for RC model motor, such as model airplane, boats and robots. BulletPoint3 : Made of premium metal material, it is and has long service life. BulletPoint4 : % brand new and high quality. BulletPoint5 : This joint or coupling connects rods whose axes are inclined to each other. ItemName : Universal Joint Coupling Motor Joint,Motor Shaft Coupling Universal Joint Connector U Joint Coupler ID 12mm OD 24mm ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 7 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : pin-and-block-universal-joints Manufacturer : Fauitay Material : Iron ModelName : Fauitay0msrfwg7ta ModelNumber : Fauitay0msrfwg7ta NumberOfItems : 1 PartNumber : Fauitay0msrfwg7ta ProductDescription : Specification: Features: % brand new and high quality. Made of premium metal material, it is and has long service life. This joint or coupling connects 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: Metal Weight: Approx.128g/ 4.5oz Length: Approx.56mm/2.2in Inside diameter: 12mm/0.47in Outside diameter: 24mm/0.94in Package List: 1 * Universal Joint 2 * Screw Note: Please allow slight error due to manual measurement. Thanks for your understanding.