Stahlwille 03410041 25/32″ x 1/2″ Bi-Hex Socket

This socket features a bi-hex design with an AS-Drive profile and a 1/2″ internal square drive. It is made from HPQ high performance steel with a chrome-plated finish and meets the standards ASME B 107.1, Fed. Spec. GGG-W-641, and SAE AS 954-E (test values)