CONCORD Stainless Steel Home Brew Kettle Triply Bottom w/ 2 Couplers (Welded On) (40 QT (TRIPLY Bottom)) Stock pot is made from Commercial Quality Stainless Steel, Fully Polished. Comes with 2 half inch couplers TIG welded onto kettle. Fittings will fit any 1/2" assembly you have, i.e. thermometers, ball valves, etc. Handle Plate reinforcement on each pot handle to prevent leaks due to strain This is the Triply bottom model.