These imperial sized screwdriver socket bits with a 1/2in. square drive are designed for simple insertion and removal of fasteners and fixings using 1/2in. square drive tooling. Made from chrome vanadium steel, each component is fully chrome plated with a mirror finish and are aluminium-free. All components have a ball retaining groove on each face of the square drive and the product can be purchased in a range of imperial sizes. Features and Benefits Manufactured from chrome vanadium steel for overall durability Fully chrome plated to further protect the component from corrosion as well as more general wear and tear All have a ball retaining groove on each face of the square drive for positive lock Aluminium free construction ensures non-sparking Available in a variety of imperial sizes to suit your requirements Typical Applications DIY Plumbing Construction Automotive Standards Conform to DIN standards