J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy - 2 oz. Fast setting version of The Original J-B Weld two-part epoxy cold weld system Great for household repairs, automotive applications, crafts and more Sets in 6 minutes and cures dark grey in 4-6 hours and rated at a tensile strength of 2424 PSI Once cured it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled and will withstand temperatures of up to 300 degrees Fahrenheit J-B Weld is proudly made in the USA