5-Piece Hexagon Shank Copper Pipe Crushing Tool with Repair Drill Bits

complete range of forging tools facilitates the extension of HVAC pipes. Preserve the ductility of the copper/aluminum during forging to prevent cracks and leaks. 5 sizes to choose from: with the most common HVAC pipe diameters: 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch. Suitable for standardized crimp kits for hard and soft copper, easy to solder. The forging plug provides a large stamping depth for a perfect fit. Features: 100% brand new and high quality. Made from high-quality, durable materials. Easy to use and performs well, your good assistant for work and life. Sufficient quantity, complete specifications, perfect for completing your projects. When installing an air conditioner, expand the copper pipe to connect the two copper pipes together. (It must be installed on a hand drill). Material: Bearing steel, blackened surface treatment. Color: Black. Size: 3/4 inch (19 mm), 5/8 inch (15.9 mm), 1/2 inch (12.7 mm), 3/8 inch (9.5 mm), 1/4 inch (6.3 mm). Shank type: 6.35 mm hex shank. Package contents: 5 x tube expanders.