HVAC Swaging Kit Tube Expander for Plumbing Refrigerant Pipe 7 PCS of Tube expander heads: 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8" Tube Cutter:1/4"- 1 5/8"(7-42mm) Expander size: 15"L x 5 1/2"W x 1 3/4"H Deburring tool size: 6"L Application: copper and aluminum tubing