FAST STEEL is a steel reinforced epoxy putty. Hand kneadable, non-rusting epoxy for repairs or rebuilds of anything made of steel. Easy to use, requires no liquid mixing. Dries in minutes, with a full cure in 1 hour. After curing, it may be drilled, tapped, machined, ground or filed. FAST STEEL will not shrink or pull away, and contains no harsh solvents.