4 Minute Steel Epoxy is a fast-setting, industrial strength epoxy that is excellent for bonding metal to metal or repairing defects in metal, wood and masonry. Hardens to a steel-like mass that can be drilled, tapped, sanded, filed or painted once fully cured. ∙ Bonds: Aluminum, Steel, Brass, Bronze, Metal∙ Suitable for repairs at home, in the workshop, on boats, automobiles, appliances, motors, and more ∙ Excellent chemical resistance ∙ Water resistant ∙ Dark gray color ∙ Blister Includes: 1 x Hardener & 1 x Resin System ( 2 Tubes of 28 gr each )