These TX drivers in sizes T40, T45, T47, T50, T55, T60 and T70 are manufactured from high quality chrome molybdenum steel with a black oxidised finish offering exceptional tool durability. Permanent laser etched markings allow for easy and efficient tool identification. Suited for use with impact drivers, each product possesses a 1/2in. square drive. Features and Benefits Manufactured from high quality chrome molybdenum steel designed specifically for impact wrenches Black oxidised finish offering exceptional tool durability Permanent laser etched markings allow easy tool identification Available in a range of metric sizes from 40-70mm Typical Applications Industrial Workshop Automotive