The Milwaukee® Cutter Wheels for Universal Pipe Threading (4 PC) are designed for use with the Milwaukee® Pipe Cutting Arm on MX FUEL™ Pipe Threading Machine. They are also compatible with the following RIDGID Pipe Cutters: 32810, 32820, 32830, 32840, 32850, 32880, 32895, 68650, 69982, 42878, 32900, 74207, 42370, 73162, 74227, 74685, 83080, 83085, 74700, 83145, 83150, 74710, 83165, 83170, 2621.