Rotring Isograph Replacement Cones fit all Isograph pen barrels and are available in a range of sizes.

Special pencils that write on almost any surface (ie; Rubber, paper, glass, china, plastic, photos, metal)

mooth, finely textured graphite strip for professional application, made from the finest quality graphite and purest clays.

Watersoluble graphite tinted with a subtle hint of colour in pans.