Marsh 99 felt tip marker is a great alternative to throw away markers. They are an industrial valve action marker that prevents ink dry-out and eliminates wasted ink. The easy refill barrel holds a large quantity of ink. Chisel and round tips are available for these markers. For use with T-grade dye type or pigment ink or K-1 stencil ink, Marks on any surface, porous or non-porous.
