Zebra Pen MLP2 Mechanical Pencil, Bold 0.9mm Lead, Bonus Lead and Erasers (Colors May Vary) 0.9mm durable bold, square, HB #2 lead mechanical pencil Elliptical shaped barrel uniquily designed to prevent rolling Square shaped lead makes this pencil ideal for test taking or wood working Large erasers allow for quick and easy corrections Each pencil is refillable with Zebra lead refills (99910)