Thomas & Betts Liquidtight sealing gasket features 316 stainless steel construction for durability. It features 316 stainless steel retainer protects seal from extruding out under torque and limits compression to an optimum predetermined value. It measures 2.150 Inch diameter x 0.220-Inch thick. Gasket has santoprene sealing that flows and seals rough edges. Gasket of trade size 1-1/4 inches is used with an externally threaded connector to provide a tight seal against oil, fumes or moisture at the knockout opening. Gasket features a design that locks resilient sealing material in steel. It offers high quality seal. Gasket CSA certified and is RoHS compliant. Also known as -Thomas & Betts 5265 Liquidtight Conduit Sealing Gasket 1-1/4 Inch 316 Stainless