Sunjoy Castle HVAC Repairing Set 6 Pcs Air Conditioner Copper Tube Expander Swaging Tool Drill Bit, Copper Pipe Flaring Bits, Swaging Tool HVAC with 1/4", 3/8", 1/2", 5/8", 3/4", and 7/8" Bits - SC-STDB-06

• 【EASY TO USE】When connecting the copper tube of the air conditioner,expand copper tube to link two copper tubes to each other. Suitable for use with various manual electric drills(The drill speed should not be too fast),even beginners can confidently use this drill bit set 【FUNCTION】Swedge tool hvac set features hexagonal shank expanders designed to create a perfect depth and tight fit. The revolutionary heat-friction molding system increases the surfaces between the flare and valve, ensuring a secure connection 【Multi Size】Swaging tool drill bit set with six drill bit sizes hexagon handle, copper flaring tool is an essential accessory for servicing air conditioners.You'll have the right tool for any job, making this swage tool set a must-have for any toolbox 【HIGH QUALITY MATERIAL】 Copper pipe swaging tool bit made from ball bearing steel with high strength, elastic limit, and uniform hardness and wear resistance, our set provides exceptional performance and long life 【ADVISE】We advise first trying the pipe expander tool on a scrap copper pipe and cooling it off after swaging. It's also essential to wear anti-scalding gloves, goggles, and other safety protective equipment during operation. If you have any questions, please contact us for the most professional service