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 with these essential replacement parts. Compatibility Across Multiple Models: Sealing rings and plugs are compatible with 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 preserving the performance of your kitchen appliance. 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 heat resistance, durability, and reliable sealing for regular use. Enhanced Durability and Safety: Each pack includes a premium overpressure plug that helps regulate internal pressure. This safety component supports proper function and helps prevent accidents during use. Easy Maintenance and Longevity: Gaskets are dishwasher safe for convenient cleaning. Durable construction allows for repeated use, helping extend the life of your Presto pressure canner while ensuring a consistent seal. Color: Black Material: Silicone Package Contents: 2 x Sealing Ring 2 x Glue Particles Note: Light reflection and display settings may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.