Full Face Flange Gasket, Gasket Material ePTFE, Insert Material None, For Pipe Size 1/2 in, For Flange ANSI Class 150, Binder Material None, Color White, Inside Diameter 7/8 in, Minimum Operating Temperature -450 Degrees F, Maximum Operating Temperature 600 Degrees F, Outside Diameter 3 1/2 in, Thickness 1/16 in, Number of Bolt Holes 4, Bolt Hole Diameter 5/8 in, Gasket Type Full-Face Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated