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). For Hardwoods, Brickwork and Plastered walls
Red (medium). For General Carpentry
Blue (soft). For Softwoods and newly felled timber
Card of 12 Assorted blue, red & green.