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, 6 Assorted Basic Color Set in Plastic Case, 1 Each (SBASIC6AD)
Chartpak Spectra AD Marker Set In Plastic Case, Tri-Nib and Brush Dual-Tip, Color Dries Fast, Is Permanent and Non-toxic - AliExpress
Chartpak® AD® Marker Basic Set, 25 Markers – Chartpak Factory Store
AD Marker Chartpak Spectra Set in Plastic Case, Tri-Nib and Brush Dual-Tip, 6 Assorted Yellow Colors (SYELLOWS6AD)
Chartpak® AD® Marker Basic Set, 25 Markers – Chartpak Factory Store
Chartpak Spectra AD Marker Refill for S074AD Marker, Ink Blue, 25ml, 1 Each (S074ADR) : Office Products
Spectra AD Marker
Spectra AD Marker
AD Marker Chartpak Spectra, Tri-Nib and Brush Dual-Tip
The Original Chartpak AD Markers, Tri-Nib, 25 Assorted Landscape Colors in Tabletop Cube, 1 Each (L) : Artists Markers : Office Products