This is a TRE4162 Ultra Flex Brushable Tube. Is a flexible, fast-skinning, brush grade formula that can be painted in 30 minutes. It was painted in 30 minutes. Was developed to match OEM appearance found on flat seams in truck areas, wheel housings & pickup truck beds. Can be applied to bare metal if primed, cartridge allows for ease of appliction along continous seams, hold brush marks for an OEM appearance.