KURETAKE-ZIG Kurecolor Single Tip Marker Set. A professional quality graphic marker with single broad (6.5mm) tip. Ideal for graphic artists and designers. 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 Single Tip Markers. Available in a variety of color combinations: each sold separately. Conforms to ASTM D4236. Imported.