Bi-directional design for removing or tightening damaged fastenersTapered entry enables socket to easily seat on a damaged fastenerDual sized sockets designed to work with both SAE and Metric fastenersPack of 1 EA Manufacturer part number: 84782 UPC Code: 99575847820Specifications:Drive Size [Nom] = 1/4 in; 3/8 inFinish = Black OxideIncludes = 5/16 in to 5/8 inLength [Nom] = 12.88 inMaterial = Alloy SteelQuantity = 8 per setSize [Nom] = 1/2 in; 3/8 in; 5/16 in; 5/8 in; 7/16 in; 9/16 inWt. = 1.25 lbThis is a normal stocking item.