Fast setting version of the Original J-B Weld. Provides repairs to metal and multiple other surface types. After mixing, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. 1:1 mixing ratio. Sets in6 minutes. Fully cured in 4-6 hours. Cures to a dark grey color. 2424 PSI tensile strength. Withstand temperatures up to 300-degrees F.