Ridgid 76652 1/2" Standard Series Jaws for ProPress System is for use with standard series press tools (RP 330-B, RP 330-C, CT400, 320-E). Jaws for ProPress are designed in conjunction with the ProPress System Fittings, ensuring total system compatibility. Compatible only with Ridgid Standard Series Pressing Tools. Backed by full Ridgid Lifetime Warranty.