structure and comfortable grip: The round pliers are made of high-strength metal and have undergone wear- treatment on the , which can extend their service life even under frequent use. Ergonomic, it can better control and reduce hand fatigue during long working hours. Flat tube repair and deformation repair: The circular jaw design is used to repair pipes with dents, flattening, or slight crushing. By gradually squeezing and rotating, this tool helps to restore the pipeline to a nearly original circular -section. Multi in one size rounding tool: This set of professional copper tube rounding pliers is designed specifically for air conditioning and refrigeration work. It supports six common pipe diameters (see picture for pipe diameters), allowing you to handle multiple pipe diameters with a compact tool. Air conditioning copper pipe special: This tool is very suitable for HVAC technicians, installers, and DIY users. It can quickly restore the circular shape of flat or deformed copper pipes in air conditioning and refrigeration systems, helping to appropriate refrigerant and system efficiency. Easy for professionals and DIY enthusiasts to use: simply choose the appropriate round head for your pipe diameter, place the tool on the deformed part, and gently compress it while rotating, making it suitable for professional HVAC technicians and home users performing maintenance or repair., Weight: 1.0582188576 pounds, Manufacturer: Yoeruers