The Quartet Premium Glass Board Dry-erase Markers, part number QRT 79556, are designed for use with contemporary glass surface boards. This set includes six markers with liquid ink in pink, blue, green, orange, purple, and brown. The bullet point style creates thick, broad lines, enhancing visibility for presentations or collaborative work. These markers utilize a liquid ink delivery system to maintain consistent color and line quality, regardless of grip. An integrated easy-view ink gauge allows users to monitor ink levels, aiding in supply management. This product is intended for businesses and IT departments requiring reliable dry-erase markers specifically optimized for glass boards, addressing needs for clear communication and consistent performance in meeting rooms or shared workspaces.