These epoxy tubes from J-B Weld will come in handy for household repairs, plumbing, craft projects and more. Mixed at a 1:1 ratio, the steel and hardener epoxy forms a permanent bond and can be shaped, tapped, filled, sanded and drilled after curing.Details: Cures to dark gray color1 oz. (28.4 g) tube size12 packs (2 tubes per pack, 24 total tubes)Steel and hardener Strength: 5020 PSI Set time: 4 to 6 hours Cure time: 15 to 24 hours For use on metal, wood, plastic, tile, PVC, ceramic, fiberglass, concrete and more