TEKTON 1/2" x 42 mm deep hex Impact Socket | SID23142

Two Size Markings - The size is marked in two ways on each socket: both by high visibility laser marking and permanent stamped marking FULL LENGTH GRIP WELLS - Although the overall length of the socket is shallow, the inner well extends fully into the socket, allowing for better grip of the fastener in more situations Works with friction ring or trigger pin anvils - Smooth walls inside the drive end and a hole for the trigger pin make the sockets compatible with both types of drive tool anvils PREVENTS RUNNING OF FIXINGS - Rounded corners prevent rounding of fasteners by applying force to the flat sides of a fastener, rather than on its corners HIGH PERFORMANCE STEEL ALLOYS - This socket is made of chrome vanadium 50BV30 (Cr-V) and features a corrosion-resistant manganese phosphate coating