
Teng socket - 3/8" square drive a professional matt chromed socket produced in accordance with iso9000 and as95g specifications for increased torque and reduced risk of rounding fasteners. This socket features a stepped collar on the shank and is of the hexagonal variety. Size: 9mm. Teng tools (named after a powerful 12th century japanese folk hero) specialises in a range of mechanic's hand tools to suit the price conscious professional user and the quality conscious diy enthusiast. The tools have been designed to teng's own specifications, which meet or exceed british, european or federal standards..