Faber Castell Sandpaper Block

The Faber Castell Sandpaper Block is a drawing aid consisting of course sand paper strips stapled to a piece of wood which can be used for shaping pencil leads, cleaning stumps or for producing powders from pencils and pastels. Each block measures approximately 160mm in length and 30mm in width. The sandpaper area itself measures 90mm in length and 30mm in width.