HEAVY-DUTY IMPACT SOCKET EXTENSION SET – Our impact grade adapters are made from Heat Treated Chrome Vanadium Steel for enhanced durability even during the most demanding jobs. LONGER 12-INCH EXTENSION BIT FOR MORE USES – If our 3-inch or 6-inch extension bits will not cover your needs, then our 12” extension bit will make sure that you have the right tool for the job. SPRING-LOADED DETENT BALL FOR EASY FIT – Save time and effort with our ergonomically designed socket adapters, which feature chamfered edges and will ensure a secure fit. MULTIPLE SIZES FOR AUTO, HOME & DIY PROJECTS – The LEXIVON impact driver socket set includes 1 x ¼” drive, 1 x 3/8” drive and 1 x ½” drive for all your home improvement or automotive repair tasks. GET YOUR SET OF ADAPTERS WITH ZERO RISK – Meet & Exceeds ANSI (The American National Standard Institute) and backed by our Lifetime Limited Warranty for your complete peace of mind.