The RIDGID 33170 Cutter Wheel E-2558 Thin is designed to cut Aluminum & Copper. Fits Model Numbers: 101/118, 108, 109, 109P, 154, 153-P, 156 Tubing Cutters.
The RIDGID 83235 Replacement Cutter Wheel E2880 is for model 156-P Tubing Cutterdesign to cut Thin wall PVC.