White Pica-Gel Signalmarker. The perfect tube substitute. Fast; easy; economical. Tip (d8mm). Technical specifications : Fast; Easy; à‰conomical. Easy, trouble-free grip: no annoying tube pressure. Saves time: faster marking than a marking tube. à‰economical: 1 Pica-Gel replaces up to 4 tubes of 50 ml each. The innovative gel-mine is: Marks on smooth and porous surfaces, regardless of whether they are light or dark, oily or rusty, shiny or frosty. For high-quality permanent markings, after a few minutes drying time High opacity contrast marking Light and weather resistant à‰ variable line thickness: 2-8mm Practical "quiver" cap for use even with one hand High-quality, easy-to-handle mechanism Chloride-free for marking on stainless steel Temperature resistant up to +1000°C Ideal for use on the following materials Metal Plastic Tiles, ceramics Tyres, rubber (dry) Tyre, rubber (wet) Glass Wood, laminated Rough wood (dry) Rough wood (wet) Stone, concrete