Full Face Flange Gasket, Gasket Material Graphite, Insert Material None, For Pipe Size 2 1/2 in, For Flange ANSI Class 150, Binder Material None, Color Gray, Inside Diameter 2 7/8 in, Minimum Operating Temperature -400 Degrees F, Maximum Operating Temperature 975 Degrees F, Outside Diameter 7 in, Thickness 1/8 in, Number of Bolt Holes 4, Bolt Hole Diameter 3/4 in, Gasket Type Full-Face Gasket, Metal Detectable Gasket No, Included Fasteners Not Applicable, Hardness Not Rated