The Tracer Paint Marker deliver high visibility marking on glass and porcelain as well as useful for general purpose marking. The markers feature a tough metal barrel with a unique valves action to release the paint for marking. Designed to work on a massive range of materials including bricks, stones, metal, tiles, plastics as well as glass and porcelain, the heavy duty markers have also been designed to withstand the rigours of working on site. The marker is engineered from solid high-grade aluminium making it both lightweight and able to endure the perils of the work place. It also features a durable acrylic tip, the marker is free from xylene and toluene, as well as including a 1-3mm bullet point tip