TRACER 5 Piece Construction Deep Marker Pencil & Pen Kit & Storage Case, AMK5
Model: AMK5. CLOG-FREE MARKER & 2 x LONG NIB MARKERS: The TRACER Clog-Free Marker is designed to mark through dust without clogging. This marker works on almost every surface including Tiles, Concrete, Brick and Wood, as well as Shiny Surfaces.