This socket features a bi-hex with AS-Drive profile and a 3/8″ internal square drive. It is made of HPQ® high performance steel with a chrome-plated finish. Size 20.8 includes a rubber insert for spark plugs. The socket complies with DIN 3124, ISO 2725-1, DIN EN 3710, DIN EN 3709, and ASME B 107.5M standards.








