Durable Construction: The bending dies are made of high-strength aluminum alloy with a treated surface, ensuring durability, stability, and long-lasting performance Ready for Every Bend: This copper tube bender tool is ideal for HVAC systems, refrigeration maintenance, automotive repair, plumbing, and more Manual Ratchet Operation: Designed with a manual ratchet handle, this pipe bender tool ensures effortless, one-hand operation even in tight spaces 7 Bending Dies Included: Comes with 7 bending dies from 1/4 inch to 7/8 inch (6 to 22 mm). Our ratcheting tubing bender allows you to handle multiple tubing sizes Precision Tube Bending: This ratcheting tubing bender kit delivers smooth, accurate bends on copper and aluminum tubing without deformation or wrinkling