Gearwrench® Driver Socket Bit, Standard Length, Yes Impact Rated, Metric, Hex Drive, 3/8 in Drive, Hex Bit, 6 mm Bit, 0.27 in Bit Length, 0.83 in Drive End Width, 1.97 in OAL, Specifications Met: ASME B107.33, Chrome Molybdenum Alloy Steel, Manganese Phosphate Gearwrench® 84391 Driver Socket Bit, Standard Length, Yes Impact Rated, Metric, Hex Drive, 3/8 in Drive, Hex Bit, 6 mm Bit, 0.27 in Bit Length, 0.83 in Drive End Width, 1.97 in OAL, Specifications Met: ASME B107.33, Chrome Molybd