Hitachi 728582 1/2-Inch by 3/8-Inch Square Female Male Adaptor with Friction Ball (Discontinued by manufacturer) Measures 1-1/2-inches long Adapts sockets from a 1/2-inch square female end to a 3/8-inch square male end Made using high quality alloy steel (chrome-molybdenum) Allows up to 20-percent more torque Comes with a 30-day limited warranty Well-built with a high quality design Overall drilling length of 1-1/2-Inch 3/8-Inch square male adaptor comes with a friction ball From 1/2-Inch socket drive to 3/8-Inch socket drive Comes with a 30-day limited warranty