76308-00274 3M Bondo Bondo-Glass Reinforced Filler,274,1 Gallon

Twice as strong as regular body filler. Half-inch, interlocking fiberglass strands create strength and make Bondo® Glass the ideal filler for repairing small (dime size or smaller) holes or rust-outs. The fiberglass strands in the filler allow you to cover holes and eliminate the need for backing strips, fiberglass mat, or cloth. Make repairing small holes easy with Bondo® Glass. Works great on boats! Eliminates the need for backing strips, fiberglass resin or cloth on small holes and rusted-out areas. Sandable in only 20 minutes and compatible with all paint systems. Waterproof. Includes Red Cream Hardener.