Made of high quality Cr-V steel, chrome plated finish, sturdy and durable. Ergonomic ratcheting handle can be quickly released, makes you comfortably reverse the switch and let the product exceptional durability. Including 10 Cr-V Sockets 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 mm on 10 collecting holders, each socket is labeled with the size which makes use and organizing more easily. 100mm-long exbar is also made of chrome vanadium steel, great for working in hard-to-reach areas. The set comes with a plastic storage rack, which keeps all your sockets organized without a mess! Won't be lost anymore! Perfect for Home, Metal or Wood Workers, Builders, Garage Workshop, Car Mechanics, Hobbyists, DIY.