The Tri-Nib Colorless Blender produces graduation/color from deep tones to light.
From crisply articulated tight comps to broadly expressive illustrations, all the line you need is right at your fingertips Chartpak AD Markers are xylene based. Black and Super Black are also available in a Fine Point nib.Chartpak AD Marker Tri-Nib has three distinct line weights in one nib The markers deliver sparkling and brilliant color in fine point, medium weight or broad strokes ? with just a twist of the wrist. The unique shape of the Tri-Nib gives you precise control over your stroke, and the wide palette of permanent colors, which includes a complete range of pastels and grays, opens new worlds of creative possibility.