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 Location Descriptions In order to improve buyer’s purchasing experience and let the buyer receive items as soon as possible, we currently set three warehouses in diffirent cities of United States : one in Fremont, California; one in CITY OF INDUSTRY, California; one in Whippany, New Jersey. When the order is generated, we would send the item to the buyer from the nearest warehouse with sufficient inventory to the order receiving address. Hope you could get your item soon,if you have any problem,please contact us by email. Thanks for your understanding and support in advance! On Aug-24-21 at 20:19:19 PDT, seller added the following information: