1/16″ (1.6mm) thick. Black. On a10″ x 10″ (25cm x 25cm) roll. – Black color – Metal mesh reinforced – Hard to bend – Manufactured from high-temperature steel core/graphite faced exhaust material – Expanded steel core provides stability and maximum torque retention to eliminate gasket failure – Graphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head – Conforms to and seals minor surface irregularities