Construction Marker for professional craftsmen. Its universal 2B graphite lead makes marking possible on almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily. Features and BenefitsWipe clean from glossy surfaces with a damp clothColoured leads available for bright or dark surfacesWater soluble leads availableConvenient quiver cap with special clip for perfect one handed handlingIntegrated patented sharpener in the quiver capalways and immediately at handHigh value push mechanism for automatic lead feed in a stainless steel tubeLeads are easy to refill from the back endExtremely long lasting and sustainable due to high quality product technique and refill ability