FLEX SEAL EPOXY ULTIMATE PUTTY - THE ULTIMATE IN EXTREME BONDING delivers extraordinary strength and unmatched versatility with its advanced multi-purpose formula. One 2-ounce stick creates a bond that can lift and hold up to 4 tons. From heavy-duty repairs to precision fixes, Flex Seal Epoxy Ultimate Putty creates a durable, permanent bond you can trust for your toughest projects. This moldable multi-purpose putty resist heat and chemicals, ensuring long-lasting performance. It even works underwater! Once cured, it can be tooled, shaped, sanded, painted, and drilled for a seamless finish.