Spectra AD Markers are an alcohol-based twin tip marker featuring brilliant color. One end has a Tri-Nib Tip that produces thin, medium, and thick lines with the turn of the marker, and the other end has a Flexible Brush Nib for creating fine to wide lines depending on the pressure applied. Permanent marker is waterproof and ideal for use on porous surfaces like paper, board and wood.
This 12 marker set includes a range of 9 warm grays from 10% to 90% gray, Warm Black, Black and a Colorless Blender.
