6Pcs Copper Pipe Swaging Tool Drill Bits Swaging Expander Bit Copper Pipe Set Flaring Air Conditioner Steel Support Bits I3665457070 S21929160927

BEARING STEEL MADE -- These swaging tool drill bit set is made from quality bearing steel, which is sturdy and AIR CONDITIONER INSTALL -- When the air conditioner is installed, the copper pipe expands and connects the two copper pipes to each other PIPE EXPANSION TOOL DRILL -- These swaging tool drill bits are convenient and practical for pipe expansion, and has a wide range of uses