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

A complete range of forging tools facilitates the extension of HVAC pipes. Preserve the ductility of the copper/aluminum during forging to prevent cracking 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 materials, Durable. Easy to use and high-performing, your perfect assistant for work and life. Sufficient quantity, complete specifications, perfect for completing your tasks. When installing the air conditioner, expand the copper pipe to connect the two copper pipes together. (It must be installed using 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). Rod type: 6.35 mm hex shank. Package contents: 5 x pipe expanders.