Chisel tip offers broad or narrow lines from the same marker 2 line widths from 1 pen. Write a thin, smooth line with the narrow edge, then turn the pen 180degrees for a completely different, wider look. Extremely versatilewrites on almost any surface! Write on brick, concrete, metal sheets, wood and more without spreading or fraying your tip. Waterproof and smearproof to keep your words legible. The flatter design prevents the pen from rolling off your desk and fits more naturally in your pocket. Quick drying, certified AP nontoxic formula. Unique anti-roll barrel design. Sharpie Markers & Highlighters part of a large selection of office supplies. Sharpie(R) Chisel-Tip Permanent Markers, Assorted, Pack Of 8 is one of many Permanent Markers & Marker Pens available through Office Depot. Made by Sharpie.