Pica VISOR permanent Longlife Industrial Marker with new, innovative "MULTI-USE" wax crayon. Economic and sustainable, won two design awards. For permanent marking on almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark. Patented high-tec-twist-mechanism: for rapid and convenient handling. Convenient quiver-cap for perfect one-hand-handling. Highly economic: 1 lead substitutes up to 5 conventional ink or paint markers. Extremely long-lasting and enviromental friendly due to refill leads in Easy-Refill-Packs.