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[Copper Pipe Expanding] Expand the copper pipe to make the two copper pipes interconnected when the air conditioner is installed. Perfect for installers, no matter if you are just learning or have been doing it.
[Multi Size] 6 pieces set with the most common HVAC pipe diameter: 1/2 inch, 1/4 inch, 3/4 inch, 3/8 inch, 5/8 inch, 7/8 inch. 6 different sizes per set of your choice to meet your needs.
[High Hardness] Made of premium bearing steel material. The expander set has a high and uniform hardness and wears resistance, not easy to deform. your good assistant for work and life.
[Wide Application] The easy expander set can be used for air-conditioning equipment, refrigeration equipment, automobile air-conditioning, etc.