Blackedge carpenters pencils of oblong section which can be sharpened to a chisel shaped edge. This eliminates the tendency of a pointed pencil to follow the grain.
Available in three grades:
Green (hard graphite lead). For Hardwoods, Brickwork and Plastered walls.
Red (medium hardness graphite lead). For General Carpentry.
Blue (soft graphite lead). For Softwoods and newly felled timber.
One red pencil only