ITEM NAME:6PCS Tube Pipe Expander Support Drill Bit Set for Air Conditioner Conditioning Description: Made of high-quality steel, durable. 6 piece set, with the most common HVAC pipe diameter: 1/4inch 3/8inch 1/2inch 5/8inch 3/4inch 7/8inch Suitable for hard and soft copper standardized, easy to braze swaging set. When installing the air.6 Pieces Tube Expander. When installing the air conditioner, expand the copper pipe to connect the two copper pipes with each other. (It needs to be installed on a hand drill). Suitable for hard and soft copper standardized, easy to braze swaging set.
