DURA LEAD BLACK Refill Pack - Contains 4 pieces of BLACK Dura Lead.
DURA LEAD is 18% thicker than average carpenter pencil lead, and has a series of patented grooves which create a positive lock with the jaws of the Striker. This ensures that the lead will not slip into the pencil.
DURA LEAD is a resilient mixture of Clay and Graphite, not lead.
DURA LEAD is also be available in red and white leads, and is always sold in a durable, clear tube.
