Tracer ACF-MK3 Clog Free Markers With Site Holster x3 Pcs The Tracer ACF-MK3 Clog Free Markers are all-purpose markers, supplied in black, blue and red. These markers can be used on almost every kind of surface, including dusty and shiny surfaces.  FEATURES Perfect for almost every surface Clog free marking, even on dusty or shiny surfaces Mark on tiles, wood, glass or brick Colours included are blue, black and red Always close to hand with the handy included site holster SPECIFICATION Pack Quantity: x3 Pcs Colours: Black, Blue & Red