1959 Hard Racing Bronze is recommended for use in fresh water on racing hulls, sailboats, runabouts or cruisers. It is a non-antifouling hard racing finish that can be buffed and burnished to a high-gloss, ultra-smooth surface. Non-Antifouling Hard Racing Finish For dry sailed boats or boats stored in non-fouling fresh water. Can be buffed to give a high gloss, ultra smooth surface. Suitable for use on fiberglass, wood and steel hulls. Excellent for trailered boats. Use 120 thinner for brushing, rolling or clean-up.