Features 1、100% brand new and high quality. 2、This joint or coupling connects rigid rods whose axes are inclined to each other. 3、Made of premium metal material, it is durable and has long service life. 4、It is commonly used for shafts that transmit rotary motion. 5、Widely used for connecting model cars, model ships, robots, etc. Specification Features: 100% brand new and high quality. This joint or coupling connects rigid rods whose axes are inclined to each other. Made of premium metal material, it is durable and has long service life. It is commonly used for shafts that transmit rotary motion. Widely used for connecting model cars, model ships, robots, etc. Specification: Material: Metal Inner Diameter: 10mm / 0.4in Outer Diameter: 20mm / 0.8in Length: 45mm / 1.8in Weight: 71g / 2.5oz (approx.) Package list: 1 * Universal Joint 2 * Screws Package List