Marketing InformationZurn® PEX stainless steel non-slip crimp rings are perfect for small diameter PEX plumbing installations. One-tool can crimp all the available sizes from 3/8 to 1 in. These stainless steel rings feature a non-slip edge to help keep the ring in place during positioning and crimping. The crimp ear is pinched using the Zurn® QSECRTRM tool. These rings can be secured on PEX or PERT pipe that allows ASTM F2098 fitting systems along with ASTM F1807 brass or ASTM F2159 polymer crimp fittings. Zurn® PEX stainless steel non-slip crimp rings meet the ASTM F2098 standard and are NSF/ANSI 14 compliant.