Features Carefully Selected Materials: The copper pipe expander set is made of high-quality steel, sturdy and durable, with a range of 3-28mm, suitable for thin pipes such as copper and aluminum pipes Electroplating Treatment: The surface of the copper tube expander kit chuck is electroplated, which is not easy to corrode and rust, the thread is clear, and it is easy to use Professional Design: Copper Pipe Expander is a tool specially made for pipe flaring, suitable for manufacturing and repairing pressure vessels such as condensers, coolers, heat exchangers, boilers, etc. Wide Range Of Applications: copper pipe expander kits are widely used in refrigeration, petrochemical, electric power, shipbuilding, metallurgy and other industries Package Content: The copper tube expander set includes 6 flaring tool kits, one set can easily solve various problems and meet your various needs, which is convenient and fast Specification： Item Type: Tube Expander Material: Steel Flaring Tool Metric Size: 6/8/10/12/14/15mm Flaring Tool Inch Size: 3/16in 1/4in 5/16in 3/8in 1/2in 5/8in Package List: 3 x Springs 1 x Bracket 1 x Cutting Knife 1 x Clamp Plate Package List 3 x Springs 1 x Bracket 1 x Cutting Knife 1 x Clamp Plate