Fiberglass-reinforced filler for a wide variety of fiberglass, wood and metal repairs.Poyester filler with short-strand, glass reinforcing fibers for strengthening fiberglass repairs. High strength,high build, waterproof formula is excellent for repairing holes, rusted metal, shattered fiberglass and damagedwood. Contains ZNX-7 for outstanding adhesion to fiberglass, wood and metal. Blue cream hardener is included.Key featuresAdhesion and corrosion resistance over steelRustproof and waterproofCan be used over metal and rigid plasticsHigh-strength and high-build waterproof formulaSpecificationsType: Two-Part Polyester FillerColor:ClearBest Use: Strengthening Fiberglass Repairs