If you're just starting your tool collection or simply adding to your existing range, make sure you include this Socket set. Made from heat treated carbon steel and presented in a plastic carry case with high quality latches and carry handle, the 40 piece, 1/4 and 3/8 inch socket set includes sockets, extension handles and a spin disc. All sporting an easy to clean high polish chrome finish these tools will resist corrosion and abrasion damage. Contents: 3/8 ratchet handle 3/8 spin disc 3/8 extension bar: 3 3/8 - 1/4 adaptor 4 x 3/8 drive sockets 31 x 1/4 drive sockets Durable plastic case