Complete Set for Presto Pressure Canners: This includes the 09985 sealing ring and overpressure plug, specifically designed to fit for Presto models 01745, 01751, 01755, 01781, 01782, and 01784. your pressure canner operates safely and efficiently with these essential replacement parts. Compatibility Across Multiple Models: Our sealing rings and plugs directly 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). Perfect for maintaining the performance of your kitchen appliance. Optimal Size and Quality: The sealing ring measures an outer diameter of 11.80 inches and an inner diameter of 13.20 inches. Made from high-quality food-grade silicone, it offers high temperature resistance, durability, and effective sealing to meet the demands of daily cooking. Enhanced Durability and Safety: Each pack includes quality overpressure plug that helps to regulate the pressure within your cooker. This safety feature is crucial for preventing accidents and maintaining the integrity of your pressure canner. Easy Maintenance and : These gaskets are dishwasher safe, making cleanup a breeze. Their robust construction ensures they can withstand repeated use, helping to extend the lifespan of your Presto pressure canner while ensuring a perfect seal every time. Color: black Material: Silicone Package Contents: 4 x Sealing Ring 4 x Glue Particles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.