Heavy Duty Cleaner Meguiar's Marine Oxidation Remover, 473ml Abrasive low profile design ensures low profile design ensures better leveling and faster removal rates when flat sanding made with a medium density foam has a blunt edge for improved durability part of the 3M Hookit abrasive system No matter how you use it stains and scratches on the gel surface and fiberglass surfaces formulated with enriched nourishing oils to restore color by adding and improving shine and luster restores the original color of the older surfaces of the fiberglass gel layer Benefits of Heavy Duty Cleaner Meguiar's Marine Oxidation Remover