Create bold strokes like a graphite stick, with the clean control of a mechanical pencil. These extra-thick leads are designed for use in the Cretacolor Lead Holder. Each sharpened stick is made of fine quality pure graphite from Austria. Sticks measure 4-5/8" (12 cm) long and 7/32" (5.6 mm) in diameter. The Cretacolor set of assorted leads contains White Chalk, Sanguine (oil), Black Compressed Charcoal (medium), Graphite 4B, Sepia Dark, and Sepia Light.