HIGH QUALITY: Made of ball bearing steel, this tool is practical and durable. The flares maintain consistent sizing for a perfect fit. The swaging depth is precise, ensuring proper fitting and easier brazing, while reducing fatigue stress in the coupling area. SWAGING TOOL: Designed for the swaging process, this tool is ideal for use in HVAC system linesets. EASY TO INSTALL: Utilizes heat from friction for swaging pipes. Preserves copper malleability during the molding process, ensuring a leak-free connection. Fits into any drill, offering efficient performance compared to round head reaming tools. WIDELY USED: Suitable for air conditioning installation, opening copper tubes, and connecting two copper tubes. To be installed on a hand electric drill. Color: Black Material: Metal Package Contents: 1 x 5 in 1 HVAC Copper Pipe Expander (3/4 inch, 5/8 inch, 1/2 inch, 3/8 inch, and 1/4 inch) 6 x Tube Expanders (7/8 inch, 3/4 inch, 5/8 inch, 1/2 inch, 3/8 inch, 1/4 inch) Note: Only the items listed above are included. Other products are not included. Note: Light reflection and different display settings may cause slight color variations compared to the actual item. Measurement may vary by +/- 1-3 cm.