High-Quality Crimping Jaws: The jaws are made from aluminum alloy, ensuring stable pressure and durability. The head can rotate freely up to 360°, enhancing flexibility and convenience during operation, making it easier and more precise to work in tight spaces and complex angles. propress tool is compatible with copper rings, copper pipes, and more. Versatile Die Compatibility: This pro press copper crimper tool is equipped with 8 dies covering propress copper pipes (1/2', 3/4', 1') and ASTM F1807 PEX copper rings (3/8', 1/2', 5/8', 3/4', 1'), meeting crimping needs for various pipe sizes and suitable for different industry standards. Effortless and Efficient: Our copper pipe crimping tool utilizes high-efficiency hydraulic technology to ensure even and stable pressure output for each crimping operation, improving work efficiency and ensuring high-quality connections. One person is sufficient to achieve leak-free connections