Specification Brand : Garosa BulletPoint1 : 360 DEGREE ROTATABLE:360 degree rotatable, it is commonly used for shafts that transmit rotary motion, perfect motor shaft fitting accessories. BulletPoint2 : FUNCTION: Universal couplings are usually used to transfer rotating shafts. BulletPoint3 : It is commonly used for shafts that transmit rotary motion. Widely used for connecting model cars, model ships, robots, etc. BulletPoint4 : HIGH QUALITY MATERIALS:This universal joint is made of high quality metal material with high strength and good durability. BulletPoint5 : HIGH-QUALITY METAL MATERIALS: Made of high-quality metal materials, strong and durable, long service life. IncludedComponents : Screws ItemName : Garosa 2pcs Shaft Joint Universal Joint Shaft Coupling 0.5x0.9x2.2 Inch Rotatable Universal Metal Joint Shaft Coupling Motor Connector U Joint Coupler(2) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 8 centimeters ItemTypeKeyword : pin-and-block-universal-joints Manufacturer : Garosa ModelName : Garosa21g6ogmqw8 ModelNumber : Garosa21g6ogmqw8 NumberOfItems : 2 PartNumber : Garosa21g6ogmqw8 PowerSourceType : hand_powered ProductDescription : Specification: Material: Metal Inner Diameter: 12mm / 0.5in Outer Diameter: 24mm / 0.9in Length: 56mm / 2.2in Weight: 129g / 4.6oz (approx.)