Professional alloy wheel impact socket 21mm double deep impacted alloy wheel socket 21mm alloy wheel nut socket 1/2in drive so will fit any 1/2in drive ratchets, impact guns, power bars etc... 6 sided single hex socket Metric (MM) sized sockets Alloy wheel sockets Hard wearing nylon sleeve on the outside of the sockets protects the wheels from chipping and scratching inside of the wheel nut holes Plastic insert inside the socket protects the front face on chrome wheel nuts Impacted so suitable for use with impact guns and high torque tools Thin walled for access into tight restricted areas Anodised for corrosion resistance SPECIFICATIONS • Alloy Wheel Nut Socket • 21mm alloy wheel nut socket • Drive size – 1/2in • 6 sided / single hex sockets • Outside length – 80mm • Inner length – 40mm