Dahle 166 Premium Pencil Sharpener w/Point Adjuster & Automatic Cutting System, Accepts Graphite & Oversized Artist Pencils Protect your valuable pencils with a high quality Professional sharpener Dahles Automatic Cutting System sharpens to your personal preference then spins freely to prevent over sharpening With the twist of a dial you can set the degree of sharpness for your pencil Easy to clean blades are perfect for use with graphite and colored pencils Standard graphite or oversized artist pencils can be accommodated through the sharpener's extra large pencil opening