Specification Amount : 13.73 Binding : Tools & Home Improvement Brand : SK CurrencyCode : USD IsAutographed : false IsMemorabilia : false Label : SK Hand Tool Manufacturer : SK Hand Tool ManufacturerPartsWarrantyDescription : Parts MaterialType : Alloy Steel Model : 321 NumberOfItems : 1 PackageDimensions_Weight : 0.15 PackageDimensions : L:5.299999994594 X W:0.799999999184 X H:0.6999999992859999212598426 PartNumber : 321 ProductGroup : Home Improvement ProductTypeName : FASTENER_DRIVE_BIT Publisher : SK Hand Tool Size : One Size SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/5137rhgu1IL._SL75_.jpg SmallImage_Width : 75 Studio : SK Hand Tool Title : SK Professional Tools 321 3/8 in. Drive 6-Point Metric Standard Chrome Socket - 21mm, Cold Forged Steel Socket with SuperKrome Finish, Made in USA Weight : 0.2 WeightUnit : pounds