Specification Binding : Unknown Binding Brand : Tomato Palace Label : Li Ke Manufacturer : Li Ke MaterialType : High Carbon Steel Model : MK138 NumberOfItems : 3 PackageDimensions_Weight : 0.3306933930 PackageDimensions : L:7.4399999924112 X W:2.399999997552 X H:0.7899999991942 PartNumber : MK138 ProductGroup : BISS Basic ProductTypeName : DRILL_BITS Publisher : Li Ke SmallImage_Height : 75 SmallImage_URL : https://m.media-amazon.com/images/I/419iUgYFXDL._SL75_.jpg SmallImage_Width : 75 Studio : Li Ke Title : Countersink Drill Bit Set 3 PCS High Carbon Steel Universal 1/4†Hex Shank Countersink Drill Bit Set for Wood + Spring Loaded Automated Center Punch, Drill Accessories Carpenters Tools Weight : 0.3 WeightUnit : pounds