Size Name: 0.9mmAlways ready for action. Never need sharpening, just click and the lead is prepared for anythingEach BIC Matic Strong mechanical pencil comes with three 9 cm leads for writing thick smooth linesEasily erase the graphite lead with the white eraser built into the end. Great for taking notes, drawing or doing crossword puzzlesThe barrels come in yellow, orange or pink and have a convenient clip for attaching the pencil to exercise books and notebooksDid the BIC Matic Strong mechanical pencil just fly in from planet Krypton? One thing is for sure: the 3 super-tough HB leads that come with each pencil in this box of 10 (8 plus 2 extra) make them the perfect pencils for copious note-taking and extended drawing sessions. Brilliantly coloured mechanical pencils with barrels in yellow, orange and pink that include a white eraser to make any writing task fun. They are retractable, so never need sharpening.