The Wickes 1/2in Drive Socket set is a 72 tooth ratchet precision ground hardened 13 piece set its made from tool-grade chrome vanadium steel for extra strength and durability. The chamfered lead-in sockets for easy placement onto drive tools and fasteners. For loosening and tightening bolts or screws in motoring maintenance and general home and site use. The black coating is durable and it easily wipes clean of oil and dirt and the ratchet handle has a bi-material soft-grip for comfort and control.