Made of durable aluminum alloy, round tube pliers maintain stable function even after repeated use, high wear resistance and long service life Extended grip design allows damaged tube to smoothly return to its original shape, easy handling improves pipe durability and extends service life Ideal for HVAC operators and freezing professionals, this manual copper tube molding tool is essential for anyone who repairs or modifications pipes This 6 in 1 tube repair pliers set features 6 different pipe diameters (1/4", 3/8", 1/2", 5/8", 3/4" and 7/8") for flexible maintenance and setup of various sizes of pipes making it a versatile option for multiple applications The manual approach gently clamps copper tubing and rolls uniformly, resulting in uniform molding control over a variety of substances, Manufacturer: sheQImaoYI