With 50 percent more lead, these Write Bros. Strong Mechanical Pencils help you spend more time writing & less time at the pencil sharpener. Slim design is built to handle demanding classrooms, fast-paced offices & beyond. The No. 2 lead is preferred for standardized testing & great for school lists. Smudge-resistant eraser keeps your writing clean. Plus, the strong, 0.9mm lead is stronger for less breakage.