Complete Set for Presto Pressure Canners: Includes the 09985 sealing ring and overpressure plug, designed to fit Presto models 01745, 01751, 01755, 01781, 01782, and 01784. Helps maintain safe and efficient operation of your pressure canner. Compatibility Across Multiple Models: Sealing rings and plugs replace parts 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 appliance performance. Optimal Size and Quality: Sealing ring has an outer diameter of 11.80 inches and an inner diameter of 13.20 inches. Made from high-quality food-grade silicone, offering high temperature resistance, durability, and effective sealing for daily use. Enhanced Durability and Safety: Each pack includes an overpressure plug that helps regulate pressure within the cooker. This safety feature supports accident prevention and maintains pressure canner integrity. Easy Maintenance: Gaskets are dishwasher safe for convenient cleaning. Durable construction supports repeated use, extending the lifespan of your Presto pressure canner while ensuring a reliable seal. Color: Black Material: Silicone Package Contents: 2 x Sealing Ring 2 x Glue Particles Package includes only the items listed above; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.