This 1/4" hexagon drive set consists of 6 metric quick-change hexagon nut setters with strong magnetic adhesion. For use on hexagon-headed screws, bolts and nuts and compatible with impact drills and drivers. Manufactured from chrome vanadium steel and supplied in a robust case. Features and Benefits • Products are marked with their size for easy identification of the correct component • Magnetic feature ensures strong hold and attachment • Supplied in a durable carry case to keep your components organised and protected • Tools are manufactured from chrome vanadium steel for durability and overall hardiness • Compatible with impact and drill drivers Typical Applications • Automotive • Construction • DIY • Plumbing Standards • ISO 1173, style E 6.3 • DIN 3126