The Faithfull Carpenters Pencils lay down a clear visible line irrespective of surface or grain. With the exception of some metals and polished or glazed surfaces, almost any material can be marked out with these carpenters pencils. The pencil has flat sides to prevent it from rolling away. There are three colour coded grades of hardness to cater for different surfaces. Supplied in a tube of twelve pencils with a specially shaped pencil sharpener. Grade Medium, Colour Red For general carpentry use.