The TRACER Clog Free Marker – Black Twin Pack includes 2 x 2–4mm clog-free permanent markers. Engineered with an advanced clog-free ink formula, these construction markers are built to perform where others fail. These clog-free construction markers cut through dusty, oily, wet, shiny, and even rough surfaces without drying up or becoming blocked. Suitable for timber, metal, concrete, brick, tile, plastic, or glass, these markers ensure bold, highly visible black lines every time.
