Blue Magic 16002TRI QuikSteel Steel Reinforced Epoxy Putty Repair, Blister Pack - 2 oz, Gray QuikSteel reinforced epoxy putty, 2 ounce Withstands up to 500 degree Fahrenheit temperatures Sets in 5 minutes, cures in 1 hour Hardens like steel, can be drilled, tapped, filed, sanded and painted Drinking water safe, NSF-61