A longtime favorite of artists, writers, architects, and engineers, Koh-I-Noor Rapidomatic Pencils are back and better than ever. Available in four lead thicknesses, including 0.3 mm, 0.5 mm, 0.7 mm, and 0.9 mm, these high-quality mechanical pencils are constructed to last. Features include a comfortable hexagonal body shape, knurled grip area, metal pocket clip, lead degree indicator, push button advance, and capped eraser. Perfectly designed to be used with straightedges and most scribers, they are also ideal for technical drawing, writing, and design.