5x Tube Expander Swaging Tool Air Conditioner Copper Pipe Drill Bit Flaring Set Product Feature: 【Swaging Tool】A product of the swaging process with this tool making its way into the HVAC systems. 【Materail】Swaging spin tool made of high carbon steel material, durable and not easy to break, wear-resistant to use. 【5 Different Sizes】 5 Swaging tool drill bits which have the common HVAC pipe diameters: 3/4inch(19mm), 5/8inch(15.9mm), 1/2inch(12.7mm), 3/8inch(9.5mm), 1/4inch(6.3mm); Overall Length: 62/61/57/53/49mm. 【Function】When air conditioning is installed, expand the copper tube, make two copper tube mutual link. Suitable for hard and soft copper standardized, easy to braze swaging set. (To be installed on hand electric drill.) 【Easy to Install】Swaging tool drill bits need to be installed on hand electric drill. Perfect for installers, no matter if you are just learning or have been doing it. Product Specification: Material: High Carbon Steel Size: 3/4inch(19mm), 5/8inch(15.9mm), 1/2inch(12.7mm), 3/8inch(9.5mm), 1/4inch(6.3mm) Overall Length: 62/61/57/53/49mm Color: Black Quantity: 5PCS Package Included: 5pcs Air Conditioner Swaging Drill Bit Tube Expander Tools Kit