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. Keep your pressure canner operating safely and efficiently 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 maintaining appliance performance. Optimal Size and Quality: Sealing ring has an outer diameter of 11.80 inches and inner diameter of 13.20 inches. Made from high-quality food-grade silicone, offering high temperature resistance, durability, and reliable sealing for everyday 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 canner integrity. Easy Maintenance and Longevity: Gaskets are dishwasher safe for convenient cleaning. Durable construction ensures long-term performance and consistent sealing with repeated use. Color: Black Material: Silicone Package Contents: 2 x Sealing Ring 2 x Overpressure Plug Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement error allowed is +/- 1-3 cm.