20x20mm square and 60mm long Can create broad strokes or delicate lines Naturally watersoluble Colours can be layered Blocks set in metal tin for easy storage and reduced mess Chunky graphite blocks great for subtle blending, fine lines and deep tonal work. Naturally water-soluble and available in 6 shades from Olive Green to Burnt & Raw Umber, perfect for bold landscapes. Brand Derwent SKU 100229668_NP-1020493816 Model XL Graphite Block