Pentel N60 Permanent Marker Chisel Tip Black (Pack of 12) N60-AInside the chunky aluminium barrel of each Pentel N60 permanent marker is quality Pentel indelible ink that writes smoothly on almost any surface from plastic and metal to ceramics and glass. The chisel tip writes a 1. 0 6. 0mm line width which is ideal for general purpose use in industry or commerce. This pack contains 12 black markers. Durable permanent marker Writes on almost any surface rough or smooth Heavy duty with tough aluminium barrel