UPO700 U-POL FIBRAL - LITE REPAIR PASTE BODY FILLER, RUST & FIBERGLAS REPAIR1 ~ GALLON FIBRAL LITE U POL WITH 3 ~ PACKS OF HARDENER SANDABLE GLASS FIBER REPAIR PASTE ''NEW'' PRODUCT IN STOCK ! GREAT PRODUCT FOR ~ FIBERGLAS REPAIR ~ BOAT REPAIR ~ RUST REPAIR ~ THIS IS A SHORT STRAND FIBER GLASS PUTTY USED FOR BRIDGING HOLES IN STEEL AND FIBER GLASS PANELS. THE PUTTY FORMS A HARD DURABLE SURFACE, ITS SHORT STRAND FORMULATION ENABLES EASY APPLICATION AND SANDING. IT CAN BE TOP COATED WITH PUTTY OR DIRECTLY TOP COATED WITH PAINT.