Permatex 84309 PermaPoxy 4 Minute Multi-Metal Epoxy Stick, 2 oz. Two part, hand kneadable, putty type epoxy Holds in four minutes, useable in thirty minutes Mix together contrasting colored materials to form a uniform color, indicating thorough mix Permanent strength up to 3500 PSI Suggested Applications:Bonds rigid materials including aluminum, brass, chrome, copper, iron, stainless steel, steel; cracked transmission cases, chipped heads, rear end castings, cracked blocks, cracked intake manifolds, damaged keyways, split stampings