Sepia (Oil): Use the same pigment as dry pencils with the same concentration, plant based oil-based viscosizer and minimum amount of wax you need to draw on completely different strokes. Thick, crisp and rich strokes cannot be blurred, but you can create different shades by layering and adjusting the pressure of your brush. Lead Diameter: 5mm Pencil Diameter: 8.5mm Cross Section: Round Wood Shaft: Natural Cedar Finish: Clear Lacquer Mat Print: Brown Dipping: Gloss Sepia Dome: Gloss Sepia