Package : 2* 09936 Pressure Cooker Sealing Ring & 2* Overpressure Plugs (Outer diameter of 9.5 inches, inner diameter of 8.5 inches) 09936 Sealing Gasket Replacement Presto Pressure Canner Sealing Ring Parts Number 09904 and 50295 Replaces Presto Pressure Cooker Models (0126002, 0135001-0135004, 0136001, 0136102, 0136304, 0136403, 01/PS6); Aluminum (0126407, 0126408, 0126410), Stainless Steel (0136203, 0136206, 0136210) and Electric Stainless Steel (0216001) Our pressure cooker ring is made of high quality rubber material, high temperature resistance, corrosion resistance, wear resistance, high tensile reliability, good sealing effect, longer service life. 09936 Pressure Cooker Sealing Ring and Overpressure Plugs for Various 6 Quart Presto Parts 09904, 50295