Made from sturdy aluminum alloy, these round tube pliers maintain stable function with good resistance to wear during repeated use, providing long lasting This 6 in 1 tube repair pliers set features six different pipe diameters (1 / 4 ", 3 / 8 ", 1 / 2 ", 5 / 8 ", 3 / 4 ", 7 / 8 ") for flexible pipe maintenance and setup across various sizes, making it a versatile option for multiple applications The extended grip design helps smoothly bring damaged tubes back to their original shape, enhancing pipe sturdiness and extending service life with easy handling capability The hand powered approach delivers gentle clamping and even rounding of copper tubes, allowing uniform shaping control for different substance varieties Ideal for HVAC workers and refrigeration specialists, this manual copper tube shaping tool is essential for anyone completing pipe fixes or modifications, Manufacturer: Xjdzineq