Turquoise pencils are designed for sketching, portraiture, and precise figure drawing. They offer pure and smooth laydown in a wide variety of grades. The lead sharpens to a perfect point for a scratchless, glossy line in any weight. Sketch Set — This set can be used for many different sketching and drawing techniques. It includes 12 Turquoise pencils in the middle of the range, from 4B to 6H.