Pipe Expander Set: precise positioning and ready-to-use with a hand drill (not included); includes a flare tool for copper tubes for clean, reliable joints. Pipe Expander for Air Conditioning: makes it easier to expand copper pipes; provides a large expansion depth to ensure a perfect fit in HVAC applications; copper tube expander. Copper Expander: tool steel construction for durability; not easily broken or deformed; wear resistant; suitable for air conditioning and refrigeration pipe work. Copper Pipe Swaging Expander: simple design yet highly practical in use; delivers a good user experience; copper pipe expansion tool for reliable swaging and sizing. Typical applications: - Installing or repairing HVAC copper refrigerant lines in air conditioning systems, where precise expansion and proper flare are essential. - On-site repair of copper tubing in refrigeration or plumbing projects requiring a durable, dependable expander. - Pre-fitting and swaging copper tubes during appliance installation (eg, air handlers, condensers) to ensure clean, secure joints.