Full Face Flange Gasket, Gasket Material Aramid, Insert Material None, For Pipe Size 1/2 in, For Flange ANSI Class 150, Binder Material Buna-N, Color Green, Inside Diameter 7/8 in, Minimum Operating Temperature -100 Degrees F, Maximum Operating Temperature 400 Degrees F, Outside Diameter 3 1/2 in, Thickness 1/8 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