Proto® Industrial Tools Drive Socket 32021M

6 POINT TYPE 3/8 INCH DRIVE END SIZE .375 DRIVE END SIZE - DECIMAL 3/8 DRIVE END SIZE - FRACTIONAL 9.525 DRIVE END SIZE IN MM 21 MM SOCKET END SIZE 21 SOCKET END SIZE IN MM BLACKHAWK[T] BRAND DRIVE END SIZE - DECIMAL - UOM IN DRIVE END SIZE IN MM - UOM MM SOCKET END SIZE IN MM - UOM MM