Spectra%20AD%26trade%3B%20Markers%20are%20the%20latest%20edition%20the%20the%20AD%26reg%3B%20Marker%20family.%20An%20alcohol-based%20twin%20tip%20marker%20features%20brilliant%20color%20with%20less%20odor%20than%20the%20traditional%20AD%26reg%3B%20Marker.%20Painstakingly%20developed%20over%20several%20years%2C%20Spectra%20AD%26trade%3B%20Markers%20were%20designed%20tip%20to%20tip%2C%20inside%20and%20out%2C%20with%20the%20artist%20in%20mind.%20Each%20air-tight%20cap%20closely%20matches%20the%20marker's%20ink%2C%20the%20barrel%20is%20ergonomically%20shaped%20and%20prevents%20rolling%2C%20ink%20capacity%20allows%20for%20maximum%20draw%20out%2C%20and%20the%20twin%20nibs%20offer%20the%20artist%20a%20wide%20range%20of%20line%20options%20in%20one%20marker.%2012-marker%20set%20in%20Cool%20Gray%20Shades.
Dual tip marker - Tri-Nib for fine, medium and broad lines on one end and flexible brush nib on the other end Low odor, alcohol-based marker set,
AD Marker Chartpak Spectra, Tri-Nib and Brush Dual-Tip, 12 Assorted Cool Gray Color Set in Plastic Case, 1 Each (SCGRAY1AD)
12 Cool Grey Colors Art Markers Grayscale Artist Dual
12 Color Cool Gray Marker Warm Gray Marker Set Dual Tips Alcohol Based Art Marker for Drawing Manga Mark Art Supplier (Cool Gray)
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Chartpak, S083AD Spectra Ad Marker Basic Gray 6
Spectra AD Marker
Spectra AD® Marker Sets – Chartpak Factory Store
Copic Markers 12-Piece Cool Gray Set
Copic Markers 12-Piece Cool Gray Set
Spectra AD Marker
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Prismacolor Art Marker Set of 12 - Color: Cool Greys
Prismacolor Premier Dual-Ended Art Markers, Chisel