• Staedtler Lumocolor Permanent Black Chisel Tip Marker is smudge-proof and waterproof on almost all surfaces. • Produces a 2-5mm line width. • Dry Safe ink so pen can be left uncapped for days without drying up. • Ideal for left handed users as the ink dries in seconds. The ink of the Staedtler Lumocolor Permanent Black Chisel Tip Marker has smudge-proof and waterproof qualities on almost all surfaces. It produces a line width of approx. 2-5mm. The tip is locked so the nib will not retract inside the barrel of the pen under pressure. The polypropylene barrel and cap ensures a long service life. The pen is airplane-safe and the automatic pressure equalisation prevents the ink from leaking on board an aircraft. Additional details: Packaging size: 140mm x 20mm x 16mm