Feature: Multi Expansion Heads:The Tube Expansion Kit Includes A Total Of 11 Interchangeable Expansion Heads And Can Expand Tubes Of 3/8”, 1/2”, 5/8”, 3/4”, 7/8”, 1”, 1-1/8”, 1-1/4”, 1-3/8”, 1-1/2”, 1-5/8” Od To Meet Your Various Needs. With A Tube Cutter, Deburring Tool And Reamer, The Kit Can Work To Expand, Cut And Deburr Tubes At The Same Time. Premium Material:Stainless Steel Built Expander Body And Expander Heads, Sturdy And Durable, Ensures Long Service Life. The Tube Cutter With A Abrasion-Resistant Stainless Steel Blade That Rotates Smoothly Can Easily Cut Soft Copper, Aluminum, And Thin-Walled Tubes. .