Features: This product is designing with a builtin pipe bender, which can easily bend copper pipe at any angle, and is suitable for 1/4 ",3/8", 1/2 "and 5/8" specifications. Builtin high performances protective rubber strips can effectively prevent indentation, scratch and other damage to copper pipe during bending, and ensures that pipe is as good as new. Users can freely adjust the bending angle according to specific needs, and the operation is simple without additional tool, which make the working process more efficient. It have good corrosion resistance and wear resistance, is more environmentally friendly and safe, have no peculiar smell, and meets the requirements of modern home environment. Widely used in air conditioning installation, HVAC engineering, water pipe layout and other occasions, it is ideal tool to solve various pipe bending problems. Specifications: Component: plastic Adaptation specifications: 1/4", 3/8", 1/2", 5/8" Color: 1/4inch red, 3/8inch green, /1/2inch yellow, 5/8inch blue size: Red 1/4": 3.5mm in diameter, suitable for 1/4inch copper pipe. Green 3/8'': 6mm in diameter, suitable for 3/8inch copper pipe. Yellow 1/2": 9mm in diameter, suitable for 1/2inch copper pipe. Blue 5/8'': 12mm in diameter, suitable for 5/8inch copper pipe. Package Includes: 1pcs Metal Tube Forming Guard note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.