Permanently repairs leaks, holes, cracks in metal, fiberglass, concrete and more. When fully cured, it can be drilled, filed, sanded and painted. Works on metals, copper, brass, steel, aluminum, iron, concrete and wood. Chemical resistant.Features2-Part - Water ResistantColor - Dark GreySize - 2 oz.Item Weight -.17 lbs.- SKU: ORGL16775.