Specification:Item Type: Hydraulic Tube Expander Tool KitModel: CT-300LMaterial: No. 45 steel + aluminum alloyApplicable Pipe Material: Copper pipe, aluminum pipeCutting Knife Cutting Size: Approx. 5 ~ 50mm / 0.2 ~ 1.97inApplicable Pipe Size: 3/8in, 1/2in, 5/8in, 7/8in, 3/4in, 1in, 1-1/8in, 1-3/8in, 1-1/4in, 1-1/2in, 1-5/8in(10, 12, 16, 19, 22, 25, 28, 32, 35, 38, 42mm)Application: Expanding tubePackage List:1 x Tube Expander11 x Expander Heads1 x Tube Cutter1 x Deburring Tool1 x Storage Box