Product Details: The J-B Weld Original Cold-Weld Steel Reinforced Epoxy is the perfect solution for making strong, lasting repairs to metal and multiple other surface types. This epoxy forms a permanent bond. Furthermore, it can be shaped, tapped, filed, sanded and drilled after curing. It sets in 6 minutes and is fully cured in 4-6 hours, making it ideal for automotive, plumbing and marine applications. With its dark gray color, this epoxy is sure to blend in with the surrounding area for a seamless repair. FleetPride is your First Click in Heavy Duty®.