What is the 2mm format best suited for

The Molotow's Blackliner pens are filled with black permanent pigment ink and are perfect for drawing outlines and details

000 meters - exceptional for a mini refill

where a regular pen would barely show up at all

caran dache technalo water soluble graphite pencil Lead Grade:3B What is the 2mm formatThe Caran d'Ache Technalo is a professional water soluble graphite pencil that functions as both a precision drawing tool and a watercolor wash medium in a single barrel. Used dry, the 3mm aquarelle lead performs as a standard high quality graphite pencil clean hatching, fine line work, and structural layouts with consistent point retention. Activate with a wet brush and the lead dissolves instantly into fluid, luminous grayscale washes, allowing