SharkBite 10 Pack 3/4" J Hook Pipe Hanger. This plastic hanger is used to attach PEX, copper, CPVC, and polybutylene pipe to floors or joists. It has a maximum pressure of 200 PSI and a maximum temperature of 200 degrees Fahrenheit. The half clamp design features a pre-inserted single nail to secure to wood and support pipe. Compatible with CTS size tubing, this hanger allows PEX to be securely installed in a plumbing system. Lightweight and plastic construction ensures faster install time and ease of use, reducing the risk of errors.