Extra thick, 10.5mm artist-grade leads provide an extremely smooth graphite laydown. Triograph's signature triangular shape fits the hand well, providing an ergonomic design that offers the artist ease and comfort of use. These oversized pencils are constructed with stained California Cedar casings, and are easily sharpened with any large hole pencil sharpener. Range 3 Degrees: 2B, 4B, 6B. Shape: Triangular.