Ring Flange Gasket, Gasket Material Inorganic Fiber, Insert Material None, For Pipe Size 8 in, For Flange ANSI Class 150, Binder Material Buna-N, Color Gray, Inside Diameter 8 5/8 in, Minimum Operating Temperature -100 Degrees F, Maximum Operating Temperature 800 Degrees F, Outside Diameter 11 in, Thickness 1/16 in, Gasket Type Ring Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated, Includes Mounting Hardware No, X-Ray Detectable No.