KBS NuMetal Epoxy Putty is an easy-to-use, two-part putty that professionals have come to rely on. Each kit totals one pound. It is manufactured with the highest quality materials and formulated for the solid repair of products used in the home, plant, pool, spa, auto, RV, boat, marine and plumbing markets. * NuMetal is water-based so it mixes easily like clay but hardens like steel. In a simple "cut what you need" application, NuMetal will bond to almost anything. Just use your imagination, our NuMetal bonds, seals, fills, anchors, caulks and waterproofs. * Once cured, NuMetal can be drilled, tapped, sanded, and painted. * It cures without shrinking or sagging and can be sanded, primed and painted. Incredibly, it even sticks to damp surfaces and will CURE UNDERWATER. * NuMetal is resistant to heat, cold, most fuels, and most common chemicals, solvents and caustic agents.