Strong Steel Stick Renewal Composite, Stick, Black; Gray

Features: Hand-kneadable ready-to-use stick | Hardens like steel in 20 minutes | Can be machined, drilled and painted in 20 minutes | Plugs and seals leaks | Permanently fill gaps & holes in metal, concrete, wood, fiberglass & ceramics | Patches holes & cracks in pipes, drums and tanks | Can be used for underwater repairs