
- Zurn® QCRRT crimp ring removal tool is used for the removal of Zurn PEX copper crimp rings or QickCap® copper crimp rings and tubing from barbed XL brass fittings in sizes 1/2 through 1 in. The QCRRT is not used with Zurn PEX QickSert polymer CR® fittings or larger XL brass fittings.