Heat Roller Kit for 75 ppm model- Estimated Yield - 400,000 Upper heat roller, 2 Upper heat roller bearings, 2 Upper heat roller insulation bushes, Upper heat roller gear, 6 Upper heat roller separation pawls, 6 Upper pawl springs, Lower heat roller, 2 Lower heat roller bearings, 2 Lower heat roller separation pawls, 2 Lower pawl springs