The POR15 Fuel Tank Sealer Kit is designed to de-rust and seal any pinholes, cracks or leaky seams without welding.Cleaner Degreaser to dissolve and remove gum and varnish that accumulates over the yearsMetal Prep to remove rust, etch the interior surface, and leave a zinc phosphate coating to prevent further rustingPetrol Tank Sealer to seal up seams, pin holes and cracks for leak free operationComplete with full instructionsThe POR15 Fuel Tank Sealer Kit contains everything you need to repair and restore any small fuel tank.Cleaner Degreaser - is ideal as the first step to renovating corroded metal as it removes all traces of dirt, grease wax and other contaminants which leaves the surface ready for painting or rust treatment. It can also be diluted in hot water to effectively clean out the inside of petrol or oil tanks. Although highly effective on metal components, POR15 cleaner degreaser can also be used to clean vinyl, canvas and nylon.Metal Prep - gently etches metal, creating a