The 26-Piece 1/2 in. Drive Deep Length Metric Socket Set contain 26 deep length metric sockets to fill all your socketing needs. Made from high quality alloy and heat treated to ensure the correct balance of strength and durability, these sockets are great for getting your tasks accomplished. The high torque drive of these sockets provides increased strength through the transfer of pressure from the thinnest part of the socket wall toward the thicker section. Designed for professional tool users, this set is applicable for tightening and loosening bolts, auto repair, and mechanical work.