Mastercool 70040 All In One Copper Tube Expanding Swaging Punch

• Enlarge one end of copper tubing to accept piece of original size tubing, then solder together like a fitting.
• Tools are heat treated for durability
• Nickel-chrome finish
• Swages 1/4, 5/16, 3/8, 1/2 and 5/8 inch