Check the listing for details. J-B Weld Twin Tube Kwikweld Epoxy 2 1 oz.. Color: Grey, Condition: New. Listed at 8.78 USD. J-B Weld Twin Tube Kwikweld Epoxy 2 1 oz. Product Description J-B Weld KwikWeld is a fast setting version of The Original J-B Weld 2-part epoxy cold weld system that provides strong, lasting 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. J-B KwikWeld has a 1:1 mixing ratio, sets in 6 minutes and is fully cured in 4-6 hours. J-B KwikWeld cures to a dark grey color, is rated at a tensile strength of 3127 PSI and will withstand temperatures up to 250°F. Features 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 3127 PSI Once cured it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled and will withstand temperatures of up to 250°F Great for most metals Great for stone/concrete Great for fiberglass Easy to use