Keep your Jacob Bromwell® copper flask looking as sharp as possible, or keep a few on hand as spare parts—which is especially useful if you travel with your flask. Designed for smooth threading and a secure, leak-resistant seal, it maintains structural balance while complementing the evolving character of copper. The diamond-pattern knurling ensures confident grip, and the polished finish allows the surface to age naturally over time. An exact continuation of the original component — measured, weighted, and finished with discipline
Imperfectly Perfect: Minor imperfections lend charm, depth, and individuality to each piece and are a natural part of the 100% handmade process. Embrace the imperfect. This is the Jacob Bromwell® way.