Medium soft bullet nib: ~1-2 mm.

For highly opaque marking of virtually all materials such as glass, plastic, wood and metal. Especially good on dark and transparent materials. Outstanding adhesion on both smooth and porous surfaces. Extremely wear-resistant on almost all surfaces. Heat-resistant up to 400°C. Valve-controlled ink flow. Permanent, low-odour pigment ink with no added toluene/xylene.