The tough marker for tough jobs, the Solid Marker is solidified paint in a marker form. It marks through dust, rust, mud, water - inside or outside. Dries within minutes, and is permanent once dry. Solid Markers won t fade or wash off like chalk. The special "stay fresh" twist mechanism keeps paint fresh and ready to use. Ideal for use on wood, cloth & canvas, plastic, steel & iron, rubber, cardboard, glass, fiberglass & concrete. Solid marker features a tough, broad stroke, is quick-drying with low odor. This marker is widely used in commercial and industrial applications in construction, welding & fabrication, pipelines & drilling, assembly lines, automotive tires & windshields, HVAC, plumbing systems or with stencils. Available in 11 colors: black, red, blue, green, purple, orange, yellow, white, fluorescent lemon, fluorescent orange and fluorescent pink. Working temperature range: 14°F to 392°F (-10°C to 200°C) 13 mm wide mark can be trimmed with knife for smaller marks. Alcohol based cleaners will remove ink from non-porous surfaces. Fluorescent colors are not lightfast.