Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust Product Features:FEL-RAMIC Sheet 12 x 28 x 1/16Water resistant non asbestos facing material mechanically clinched ti a perforated steel coreUsed in high temperature applications such as manifolds and exhaust pipe flangesFiber on both sidesEngineered and manufactured specifically for the repair environment