Draper Wheel Nut Double Impact Socket Kit, 1/2" Square Drive - LWN/DS4Expert Quality, three double ended impact sockets size 17, 19 and 21mm. One end is hexagon 6pt and the other a reverse conical gripper thread for the removal of locking wheel nuts. Supplied with a 1 2" sq. dr. 75mm impact extension bar. Packed in a nylon wallet with hook and loop closure in display carton. These kits should only be sold to bona fide garages and emergency service organisations. Key Features Expert Quality: Crafted for professional use,