Enhance your air conditioning installation and repair tasks with this professional-grade Tube Expander Kit, crafted from high-quality bearing steel for exceptional hardness, uniform wear resistance, and a high elastic limit. Designed to expand copper pipes efficiently and securely, this kit ensures tight connections and prevents leaks, making it an essential tool for HVAC professionals and DIY enthusiasts alike. Key Features: · Durable Bearing Steel Construction: Made from premium bearing steel, providing high and uniform hardness, excellent wear resistance, and a high elastic limit for long-lasting performance. · Secure Standard Round Handle: Features a 1/4 inch (approx. 6.35mm) hex shank handle that fits securely in electric drills and other tools, minimizing the risk of slipping during use. · Comprehensive Size Range: Includes six different expander sizes—7/8 inch (22.2mm), 3/4 inch (19mm), 5/8 inch (15.9mm), 1/2 inch (12.7mm), 3/8 inch (9.5mm), and 1/4 inch (6.3mm)—to accommodate various copper pipe diameters for versatile application. · Prevents Pipe Damage: Maintains excellent ductility throughout the expansion process, effectively preventing copper pipes from cracking or leaking. · Compact and Portable: With a height of approximately 4.5cm (1.8in), the expander heads are easy to handle and store, making your work more efficient and convenient. Specifications: · Item Type: Tube Expander · Material: Bearing Steel · Shank Diameter: Approx. 7mm / 0.3in (1/4 inch hex handle) · Expander Sizes: 7/8in (22.2mm), 3/4in (19mm), 5/8in (15.9mm), 1/2in (12.7mm), 3/8in (9.5mm), 1/4in (6.3mm) · Height: Approx. 4.5cm / 1.8in · Color: Black Package Includes: · 6 x Tube Expanders (various sizes) This Tube Expander Kit is the perfect solution for expanding and connecting copper pipes in air conditioning systems, ensuring a secure, leak-free fit with minimal effort. Its robust bearing steel construction and ergonomic design deliver reliable performance and durability for professional and home use.