Complete Set for Presto Pressure Canners: This includes the 09985 sealing ring and overpressure plug, specifically designed to fit Presto models 01745, 01751, 01755, 01781, 01782, and 01784. Keep your pressure canner operating safely and efficiently with these essential replacement parts. Compatibility Across Multiple Models: Our sealing rings and plugs are direct replacements for Presto Pressure Cooker models 0174510 (16 qt), 0175107 (18 qt), 0175510 (16 qt), 0178107 (23 qt), 0178209 (23 qt), and 0178410 (23 qt). Ideal for maintaining the performance of your kitchen appliance. Optimal Size and Quality: The sealing ring measures an outer diameter of 11.80 inches and an inner diameter of 13.20 inches. Made from food-grade silicone, it offers high temperature resistance, durability, and effective sealing for daily cooking use. Enhanced Durability and Safety: Each pack includes quality overpressure plugs that help regulate pressure within your cooker. This safety feature helps prevent accidents and maintain the integrity of your pressure canner. Easy Maintenance: These gaskets are dishwasher safe for convenient cleaning. Their robust construction supports repeated use, helping extend the lifespan of your Presto pressure canner while ensuring a reliable seal every time. Color: Black Material: Silicone Package Contents: 2 x Sealing Ring 2 x Overpressure Plug Only the above package content is included; other items are not part of this package. Note: Light reflection and different display settings may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.