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 performance for regular use. Enhanced Durability and Safety: Each pack includes a premium overpressure plug that assists in regulating internal pressure. This safety component helps prevent excessive pressure buildup and supports the safe function of your pressure canner. 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 differences in display screens may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.