●Set Contents: 3/8 inch (9.5 mm) tool set. Quick release ratchet handle x 1, 5.9 inches (150 mm) extension bar x 1, universal joint x 1, 9 sockets (8, 10, 12, 13, 14, 15, 16, 17, 19 mm) ●Material: The material of the socket and handle is made of high quality Crv that is resistant to rust. Fully heat treated for durability ●Uses: Tightening and loosening various bolts, nuts, and screws, is a basic tool in the automotive industry, for maintaining cars, motorcycles, etc. It is widely used in the general industry as a tool for inspection and repairing machines ●Features: The ratchet handle is designed with a quick release design, and the socket can be easily removed by pressing the button ●Socket Holder Included: You can easily remove the socket, and securely attach the socket. Anti-lost, easy to carry and store