Swaging Tool Drill Bit Set, 5Pcs Tube Expander Hex Handle Bearing Steel Air Conditioning Copper Pipe Extension Tool with 1/4, 3/8, 1/2, 5/8, 3/4, Bits - AYNEFY, AYNEFY8nm57wa9ft

• Ergonomic Design: With ergonomic handle for secure grip, the blade is mounted on the handle can be rotated 360 degrees, this tool helps to clean the top of the pipe or tube and it has a compact size which is easy to be carried to anywhere 5 Pipe Sizes:5 different sizes of drill bits, including 1/4, 3/8, 1/2, 5/8, 3/4, 1/4 hexagon handle. Our pipe expansion tool are an essential accessory for servicing air conditioners. Easy to Use:It is very suitable for HVAC installers to perform air conditioning copper pipe expansion operations without complicated learning. (Please wear anti-scalding gloves, goggles and other safety protective equipment during operation.) The curvature of the flare allows the drill to gently expand the copper tube to the specified inner diameter. Working Principle: When connecting the copper pipes of the air conditioner, the soft copper pipes are expanded by the rotation of the drill bit, so that the two copper pipes can be connected in a leak-proof manner. Works more efficiently than round nose reaming tools when combination with drill and impact drill. Stable and Durable:Swaging Tool Drill Bit made of ball bearing steel, it is practical and durable. It has high and uniform hardness and wear resistance, and high elastic limit, your good helper for work and life.