RGM180 12" x 24" Roll 1/8" Thickness Cork/Rubber Gasket MaterialOne New Aftermarket Replacement Universal Cork Rubber Gasket Material Roll This 1 8" thick cork rubber gasket material roll is a versatile, cut to fit sheet used for fabricating custom gaskets on tractors, agricultural equipment, construction machinery, and small engines. Cork rubber composite material compresses and seals reliably against oil, fuel, and coolant surfaces ideal for valve covers, timing covers, oil pans, and other low pressure sealing