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. Ensures safe and efficient operation of your pressure canner with these essential replacement parts. Compatibility Across Multiple Models: Sealing rings and plugs directly replace original 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). Supports consistent performance of your kitchen appliance. Optimal Size and Quality: The sealing ring has 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 a premium overpressure plug that helps regulate internal pressure. This safety feature supports safe operation and maintains the integrity of your pressure canner. Easy Maintenance and Longevity: These gaskets are dishwasher safe for convenient cleaning. Their durable construction supports repeated use and helps extend the lifespan of your Presto pressure canner while ensuring a reliable seal. Color: black Material: silicone Package Contents: 2 x Sealing Ring 2 x Overpressure Plug Note: Light reflection and display settings may cause slight color variation between the image and the actual item. Measurement tolerance is +/- 1–3 cm.