The Studio Graphite Pencil Sketch Set with Sketchbook includes graphite sketch pencils of the finest studio quality. The pencil leads are break-resistant due to SV bonding, and are made of finely ground graphite and clay for a smooth, consistent lay down. This set includes 6 pencils in various degrees of lead hardness (2H, HB, B, 2B, 4B, AND 6B), a metal pencil sharpener, one PVC and latex-free eraser, and one spiral bound sketchbook, measuring approximately 8.25 in. x 6 in.