Inch and Metric SizesAlloy Steel ConstructionRugged PerformanceIncludes inch sizes: 3/8″ x 7/16″, 1/2″ x 9/16″, 5/8″ x 11/16″, 3/4″ x 7/8″Includes metric sizes: 9mm x 11mm, 10mm x 12mm, 13mm x 14mm, 15mm x 17mm, 19mm x 21mmUse when removing or replacing nuts on fuel or brake linesDesigned to help prevent rounding out edges over timeOne-piece alloy steel construction From pulling hoses and servicing fuel systems to making general repairs, the Craftsman flare nut wrench set gets it done. With precision machining and smart weight dispersal, these wrenches get soft fasteners spinning, while helping eliminate rounding on delicate nuts and bolts. This set includes the most common standard and metric sizes to suit both auto and repair shops. Dimensions and Weight:Length :5.97 in.|6.5 in.|6.75 in.|7.58 in.|8.15 in.|5.97 in.|6.72 in.|7.58 in.|8.15 in. (in.)Metric Opening Size:10 mmMetric Opening Size:11 mmMetric Opening Size:12 mmMetric Opening Size:14 mmMetric Opening Size:15 mmMetric Opening Size:17 mmMetric Opening Size:19 mmMetric Opening Size:21 mmMetric Opening Size:9 mmSAE Opening Size:3/8 in.SAE Opening Size:5/8 in.SAE Opening Size:3/4 in.SAE Opening Size:7/8 in.SAE Opening Size:11/16 in.SAE Opening Size:7/16 in.SAE Opening Size:9/16 in.SAE Opening Size:1/2 in.Product Overview:Quantity in Set:9Case Included:NoWrench Sizing:Standard & metricSet:SetRatcheting Wrench:NoMaterial:Alloy SteelNumber of Ends:DoubleFlex Head:No