The sealey 28 piece 3 8 and 1 2 drive impact socket bit set is a comprehensive impact-rated bit collection designed for use with impact drivers and wrenches. Manufactured from high quality impact grade s2 steel with a satin finish, each 36mm length bit features specially heat treated cnc machined tips that reduce stress and prevent cam-out under load, ensuring reliable engagement even in demanding applications. The torsion bit design absorbs impact forces and transfers maximum torque to the fixing, whilst the hardened 58-62 hrc and tempered construction provides the strength required for professional use. Colour-coded for fast identification, this set includes an extensive range of trx-star, hex, and spline bits to cover the most common fastener types encountered by automotive technicians, mechanics, and general tradespeople. The set includes both 3 8 and 1 2 square drive adaptors with 10mm hex connections, allowing seamless compatibility with impact drivers. All 28 pieces are supplied in a durable storage case for organised transport and workshop storage, and the set is backed by a lifetime guarantee. Features and benefits: impact grade s2 steel construction withstands high-torque applications cnc machined tips prevent cam-out and reduce fastener damage torsion design absorbs impact shock for extended bit life colour-coded bits for quick size identification comprehensive range covers trx-star, hex, and spline fasteners includes adaptors for both 3 8 and 1 2 square drive ...