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 ensure safe and efficient operation with these essential replacement parts. 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 everyday 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 the pressure canner’s integrity. Easy Maintenance: Gaskets are dishwasher safe for convenient cleaning. Durable construction withstands repeated use, helping 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 Glue Particles Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement error allowance is +/- 1-3 cm.