Derwent Compressed Charcoal is a chunky block of pure charcoal. It s ideal for using with other Derwent charcoal products or try it on its own for wide sweeping strokes using its side or the end for finer lines. If it is fine detail you re after try Derwent Charcoal pencils and for just a hint of colour there s Derwent Tinted Charcoal. This Derwent blister pack of six solid charcoal blocks are easy to blend colours and can be mixed and layered to create an infinite range of hues and tints. The firm consistent texture produces minimal dusting as well as producing deep, dense tones. These compressed charcoal block can be used with other charcoal products in the Derwent range. The Derwent compressed charcoal solid blocks are made from reformed wood charcoal. The square shape helps to produce both fine detail and broad, expressive strokes allowing you to create a masterpiece. These solid charcoal blocks are so versatile they can be used with dry, or mixed with other media.