Internal Copper Pipe Bending Spring for Air Condition Steel Manual Pipeline Spring Tube Bending Tool 3/4/5/6 Points 10-19mm

3/8 inch (OD6.5mm) internal spring for 10mm copper pipe
1/2 inch (OD9mm) internal spring for 12mm copper pipe
5/8 inch (OD12mm) internal spring for 16mm copper pipe
3/4 inch (OD15.5mm) internal spring for 19mm copper pipe

Inner spring operation method
① Place the spring in the copper tube where it needs to be bent.
②Slowly turn it to the angle you want.
③After bending, take out the spring in the copper tube.
④The pipe bending effect is good, effectively avoiding bending and damaging the copper pipe.