Eumark’s M21 electrolyte stands out as a top choice for achieving consistently remarkable marks over multiple applications. With its excellent wetting properties on felt surfaces, M21 ensures a uniform and precise mark every time. To enhance its already impressive performance, applying a thin film of oil using a cloth after marking results in even more exceptional marks. M21 is suitable for a wide range of materials, including stainless steel, steel, and nickel-plated surfaces. With M21, you can effortlessly achieve outstanding marks that leave a lasting impression.