The Sealey 12 Piece 3/4" Drive Impact Hex / Torx Socket Bit Set is a professional-grade socket set designed for heavy-duty impact tool applications. Manufactured from chrome molybdenum steel, these impact socket bits deliver the strength and durability required for demanding automotive and industrial maintenance work. The phosphate finish provides enhanced corrosion resistance, extending the service life of each component even in challenging workshop environments. This comprehensive 12-piece set includes four TRX-Star bits (T70, T80, T90, T100) and five hex bits (14, 17, 19, 21, 22mm), covering the most commonly required sizes for automotive and machinery applications. The set is supplied with a 3/4" square drive bit holder, a 165mm extension bar for accessing recessed fasteners, and a 1/2" male to 3/4" female square drive adaptor that provides versatility when working with different impact wrench configurations. Suitable for use with any impact tool, this socket bit set is ideal for a