Description : Comprehensive Set: This tool set includes 6 essential pieces for air conditioner copper tube expanding, swaging, and flaring. It provides everything you need to complete various HVAC (heating, ventilation, and air conditioning) projects. High-Quality Materials: The tools in this set are made of durable and corrosion-resistant materials, ensuring long-lasting performance and reliability. The copper tube expander and swaging tool are specifically designed to handle the demands of air conditioner installations. Versatile Application: Whether you are a DIY enthusiast or a professional HVAC technician, this tool set is suitable for a wide range of applications. It can be used for expanding and flaring copper tubes in air conditioners, refrigeration systems, heat pumps, and more. Efficient and Precise: The drill bits included in the set are designed to work seamlessly with the expander and swaging tools, enabling quick and precise tube expansion and flaring. This ensures a secure and leak-free connection, promoting optimal system performance. User-Friendly Design: The tools feature an ergonomic design, providing a comfortable grip and ease of use. The set also includes clear instructions and guidelines for beginners, making it accessible to users with varying levels of experience. Compact and Portable: With its compact size and lightweight construction, this tool set is easy to transport and store. It is convenient for on-site installations or projects that require mobility. Features: Type : Tube Expander Material : Bearing steel, blackened surface treatment Color : Black Size : 7/8inch(22.2mm), 3/4inch(19mm), 5/8inch(15.9mm), 1/2inch(12.7mm), 3/8inch(9.5mm), 1/4inch(6.3mm) Quantity : 6 Suitable for : for hard and soft copper standardized Application : expand the copper pipe Package Include : 6 x Tube Expander