Derwent Watersoluble Graphitone Studio Set includes 2H, HB, 2B, and 4B premium graphite sticks, alongside soft and medium water-soluble blocks, an eraser, and a sharpener. This professional-grade collection features pure, woodless graphite that allows you to shift effortlessly from sharp, dry line work to rich, fluid monochromatic washes. Designed for maximum artistic versatility, this essential 7-piece toolkit minimizes waste while delivering exceptional depth and velvety blending for sketches and mixed-media projects alike.