A fine silver marker with 99.99% pure silver delivers exceptionally sharp and durable lines on a wide range of surfaces. The highly pure silver core deposits clean silver traces that remain visible without smudging or dust. – 99.99% pure silver core – Clean, fine and smudge-free markings – For clay, ceramics, plaster, metal & polished surfaces – Ideal for sketching, engraving outlines & model making – Durable, break-resistant & designed for precise control – Works without pressure and without residue