For redrills, remounts, can be drilled, machined, sanded and tapped. This epoxy is not only very strong and durable - it can also, when fully cured, be drilled and tapped. Perfect for repairing stripped-out binding holes. It is metal gray in color, 25 min work time and full cure occurs in about 4 hours. Packaged in 1 oz. foil packs. (Ground ship only)