A professional quality graphic marker with both fine (1mm) and broad (6.5mm) tips. Ideal for graphic artists and designers. The marker barrel is squared to prevent rolling off the workspace and this marker is both blendable and refillable (refill not included). Use it on a variety of surfaces including glass; acetates; metals; paper; photos and more! This package contains twelve Twin Tip Markers in assorted colors. Conforms to ASTM D4236. Imported.