Made from steel, the cutter is and has a long service life Copper tube flaring tool and unique design make the expansion process more accurate and the consistency and accuracy of each expansion Achieve precise and consistent pipe expansion with this versatile 5 in 1 tube tool, suitable for various pipe diameters including 1 / 4inch, 3 / 8inch, 1 / 2inch, 5 / 8inch, and 3 / 4inch Small size, light weight, easy to carry to different workplaces The copper tube expander of has fine workmanship, compact appearance, stable and durability, Manufacturer: Kaeltsyn