The double-headed brush nib offers the user extremely precise and flexible control of the drawing mark: the brush tip is flexible just like a real brush and the chisel tip creates quick visualizations - as well as coloring large areas. The final drawing with Brushmarkers is at the level of print work and completely non-spreading. BrushMarkers offer wonderful versatility for all drawing and illustration. The high-pigment ink of the markers is very blendable and the colors seem to melt into each other on the paper. The shades can be found from soft pastels to the richest and strongest shades of the palette. The pens have flexible, alcohol-based, translucent ink. The gray assortment of 12 markers includes the shades: black, blender, gray 1, gray 2, gray 3, gray 4, gray 5, warm gray 1, warm gray 2, warm gray 3, warm gray 4, warm gray 5.