6Pcs Tube Expander Set Soft Copper Tubing Flare Tool Hex Handle Pipe Swaging Bit Kit Air Conditioner Reamer Accessories Inclu 7/8" 3/4" 5/8" 1/2" 3/8" 1/4" - Natudeco, Natudecoinxstg108u

• FUNCTION: Used to expand the copper pipe when installing the air conditioner, so that the two copper pipes are connected to each other. MEET DIFFIRENT NEEDS: The kit contains 6 different specifications of tube expander, which can meet the different needs of air conditioning maintenance. TIME SAVING: These tube expanders are accurately positioned and can be used with hand drills to save working time.Made of excellent steel, has good oxidation resistance, and not easy to rust after long‑term use. WARM PROMPLT: If it’s your first time i’d recommend trying it on a scrap copper pipe first. And also don’t forget to cool off the pipe after swaging because it will become really hot.And wear a glove! APPLICATION: Suitable for hard copper and soft copper standardization, easy to braze swages, forged plugs will provide larger swaging depth for perfect fit.