this marker will provide the durability and precision you need

The Stylefile Marker Brush 12er Set in Neutral Grey offers an excellent basis for grayscale drawings of any kind

The Full Metal Paint flows perfect and easy to control as you use it

1 x 180 Signal Black (Molotow 127HS-EF

these markers are perfect for both fine details and bold

viking spectra bonefolder 16 cm Ink and paint refills this marker will provide theA folding bone (also called bone folder bonefolder) is a dull edged hand tool traditionally used by bookbinders. The folding bone is used to fold and bend thicker papers or cardboard. Folding bones is also often used for cardmaking, origami and other paper crafts that require a sharp crease or fold. Made of polished genuine cow bone.