Feature: 1. 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 motion. 5. Widely used for connecting model cars, model ships, robots, etc. Specification: Features: 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 motion. Widely used for connecting model cars, model ships, robots, etc. Specification: Material: Metal Inner Diameter: 16mm / 0.6in Outer Diameter: 32mm / 1.3in Length: 70mm / 2.8in Weight: 292g / 10.3oz (approx.) Package list: 1 * Universal Joint 2 * Screws