Aquastik Pack of 5 - After proper mixing, Aquastik moulds like clay and may be used to permanently patch dents, scratches, cuts, gouges and holes in fibreglass, metal and wooden boat decks and hulls; repair fittings, pipes, electrical connections, leaking gaskets, fuel tanks, water tanks, fish boxes, tubs, battery cases, sinks, spa's, hot tubs, tanks, pools, form custom gaskets etc.