**size- 3in1 [1/4 , 5/16 , 3/8]
-4/8
-5/8
- You can bend your copper pipe very well and easy , you just need put copper pipe to inside the circle and bend it
- if you install air- conditioner , u need to install pipe in corner place , u can using this for let your pipe corner become neat , and pipe will be safety and avoid to dent , if pipe is dent or broken , maybe will not so cooling or leaking gas.
