Kielder 1/2” 21mm Mid-Size Impact Socket And Pin & O-Ring (3 Pack)

3 pack of 21mm 1/2″ Mid-Size Impact Sockets, and Pin & O-Rings, compatible with the Kielder KWT-002CS 1/2” Impact Wrench, as well as other brands that feature similar friction-ring style square drive. Pin & O-Ring is designed to lock the socket on to the square drive of the Impact Wrench, for essential security when working on site and at heights. The socket is only 52mm in length making tight spaces more accessible, when attached to the impact wrench.