SKILCRAFT 7520-01-587-3932 Bio-Write Mechanical Pencil, 1.3mm Size, Black Lead (Pack of 12) Made up of 43 percent biobased and biodegradable material and 21 percent post-consumer recycled material by weight Unique 1.3-millimeters lead is virtually unbreakable under normal use Cushion point and sliding metal sleeve automatically retracts to prevent lead breakage Twist-action extra-long eraser and extended soft rubber grip are latex-free Made with pride by Americans who are blind