Professional quality graphite pencils designed for technical and fine art drawing. Featuring consistent grading strong opacity and clean erase ability. Pure and smooth lay down in a wide variety of grades. Lead sharpens to a perfect point for a scratch-less glossy line in any weight. Soft set is ideal for sketching rough layouts and fine art drawing. Medium set is perfect for a variety of sketching and drawing techniques. Sets of 12 packaged in metal tins. 9B to H.