Ridgid pex crimp jaws are used with Viega PureFlow systems & PEX press fittings, ensuring complete system compatibility. These units have carbon steel construction and are used with Standard Series CT400, 320-E, RP 330-B, RP 330-C, RP 340 & RP 350 press tools. Choose from a wide range of crimp jaws, available in 3/4, 1, 1-1/4 & 1-1/2 inch pipe sizes. Raptor Supplies also offers compact crimp jaws which are 40% lighter & 33% smaller than Standard Series jaws for efficiently fitting into tight spaces.