5mm depending on pressure

opaque value

Surfaces: Concrete

and the eraser is an oversized twist-advance design rated to last around six times longer than a standard pencil-cap eraser before it needs replacing

Colors included in set: \nBlack

leuchtturm1917 notebook a5 hard cover plain Leuchtturm Colors:Stone Blue 5mm depending on pressureThe Leuchtturm1917 A5 Plain Hardcover is a completely blank notebook built for artists, designers, and thinkers who work without ruled or gridded constraints. The rigid hardcover doubles as a drawing surface stable enough to sketch on your lap in transit, in lecture halls, or in the field without a desk surface underneath. For moments when straight line alignment is needed, a double sided mobile guide sheet is included ruled lines on one face, squared