Lead Refill for Bio-Write Mechanical Pencils, 1.3 mm, HB, Black, GSA 7510015873931

Includes 12 black leads. For use with Bio-WriteA® mechanical pencils, these durable HB lead refills are break-resistant under normal use. They are stored in a tube that is made from renewable corn starch and can be composted when empty. One-piece tube cap flips and slides open, so it won't get lost. Lead Degree (Hardness): HB; Lead Color: Black; Refill(s) For: AbilityOneATM Bio-WriteA® Mechanical Pencil More »