Extremely long lasting and sustainable due to high quality product technique and refill ability
Robust pencil quiver: matches all thick wooden pencils, no matter if oval, flat-oval, black-edge, triangular or hexagonal shape, no matter which length – even the smallest stump
Marks on almost all kinds of dry surfaces
For almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark.