- Versatile 5-in-1 or 6-in-1 Pipe Expansion Tool: This tool accommodates a wide range of pipe sizes, expanding from 14mm to 34mm (5-in-1) or 6mm to 19mm (6-in-1), making it suitable for various applications in plumbing and HVAC systems. - Precision Engineering: The high-precision copper pipe flaring tool features a unique punch design that ensures consistent and accurate expansions every time, eliminating the guesswork and improving the quality of your work. - Reliable Performance: Crafted with fine workmanship, this air conditioner copper pipe expander boasts a compact design and stable performance, ensuring long-lasting durability and reliability for all your expansion needs. - Quality Materials: Made from high-quality steel, this crimping tool drill bit is built to withstand heavy use and has a long service life, making it a smart investment for professionals and DIYers alike. - Practical Applications: Ideal for air conditioning installations, plumbing repairs, and HVAC maintenance, this tool allows you to easily expand copper pipes for secure fittings, making it an essential addition to your toolkit. - User-Friendly Design: The tool’s ergonomic design ensures ease of use, allowing both experienced professionals and novices to achieve perfect results with minimal effort. Whether you're a seasoned technician or a weekend warrior, this multifunctional pipe expansion tool is a must-have for efficient and precise expansions.