Ridgid® 33125 Cutter Wheel, Replacement, Heavy-Duty, High-Grade Steel, For Type/Brand/Model: Steel And Ductile Iron, Fits 3S, 4S, 44S, 466C, 466S, 466HWS, 468C, 468S, 468HWS, 472C, 472S, 472HWS, 764 Pipe Cutters