Specification Brand : Zerone BulletPoint1 : ENHANCED EXPANSION : The copper pipe expander effortlessly expands copper pipes, ensuring a secure connection for air conditioning installations. BulletPoint2 : MATERIAL : Crafted from bearing steel, this tool maintains its shape and reliability, preventing cracks and leaks. BulletPoint3 : SECURE DESIGN : Featuring a hex handle design, this tool securely attaches to hand tools, reducing the of accidents for a safer . BulletPoint4 : MULTIPLE SIZES : With 6 different expanders in the package, you can work on various air-conditioning copper pipe diameters effortlessly and efficiently. BulletPoint5 : COMPLETE SET : This product includes a range of size options, making it versatile for expanding different copper pipe diameters during HVAC installations. ItemName : Copper Pipe Tube Expander, Set 6PCS, Bearing Steel Swaging Tool with Hex Shank for Air Conditioner, Different Sizes for Diameters ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : tube-cutters Manufacturer : Zerone ModelName : Zerone5cw4osxg1b ModelNumber : Zerone5cw4osxg1b NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Zerone5cw4osxg1b ProductDescription : ENHANCED EXPANSION : The copper pipe expander effortlessly expands copper pipes, ensuring a secure connection for air conditioning installations. MATERIAL : Crafted from bearing steel, this tool maintains its shape and reliability, preventing cracks and leaks. SECURE DESIGN : Featuring a hex handle design, this tool securely attaches to hand tools, reducing the of accidents for a safer . MULTIPLE SIZES : With 6 different expanders in the package, you can work on various air-conditioning copper pipe diameters effortlessly and efficiently. COMPLETE SET : This product includes a range of size options, making it versatile for expanding different copper pipe diameters during HVAC installations. Features Usage: The copper pipe expander tool is mainly used to expand copper pipes, to make two copper pipes tightly connected when installing air condition. Function: Maintain the ductility of the copper pipe during the expansion process to avoid cracks and leakage. Premium Material: The copper pipe swaging tool is made of bearing steel material, with high elastic limit and fatigue strength, it is not easy to be deformed after long‑term use. Unique Design: Hex handle design, it is not easy to fall off when installed on a hand tool, and the is safer. Package: There are a total of 6 different sizes of tube expanders, suitable for the expansion of different air‑conditioning copper pipe diameters.