Profi-Marker made of durable brass material, with useful clip. Allwriter lead marks on almost any surface, no matter if it is dry or wet: cars, tiles, bricks, wet and dry wood, glass, rubber, tyres, ceramics, concrete, metal, plastic ect. Graphite lead marks on wood, paper and carton. Sharpener inside the push button for graphite lead. Refills available: graphite lead (HB) and allwriter lead (red and yellow)