The Permatex 56521 High Performance Thread Sealant is a gasket sealer designed for automotive use. This 1.69 oz (50mL) tube of thread sealant is specifically formulated by Permatex, a trusted brand in the industry. Perfect for sealing gaskets and ensuring a secure connection, this product is a must-have for any vehicle maintenance or repair project. Its high performance formula ensures a reliable and durable seal, providing peace of mind for both automotive professionals and DIY enthusiasts.