5PCS Tube Expanders Kit Air Conditioner Refrigerator Copper Tube Swaging Tool Drill Bit Set

Features:
Adopts superior material, has high hardness and long service life.
Used to expand the copper tube to make the two copper tubes interconnected when the air conditioner is installed.
Comes with five different sizes, can meet your different need.
Needs to be installed on the manual electric drill, and the 6.35mm shank diameter is suitable for most electric drills.
Small size and light weight, you can take it anywhere you want to use it.