Oatey CTS J-Hooks provide fast, easy and economical ways to secure supply line piping. J-Hooks allow for expansion and contraction of piping system and can be used on all copper, PEX, CPVC and other CTS sized piping. With a temperature rating of 240?F and a workload of 50 lbs., J-hooks can be used for most CTS applications.Secures tubing to joists and raftersUse with copper, PEX, CPVC and other piping systemsMade of high impact ABS for increased load capacityUPC listedMade of high impact ABSNails flush against a wall or stud WARNING: Cancer and Reproductive Harm www.p65warnings.ca.gov