Pentel N50 Permanent Bullet Marker Broad Black (12 Pack) N50-A Inside the chunky aluminium barrel of each Pentel N50 permanent marker is quality Pentel indelible ink that writes smoothly on almost any surface, from plastic and metal, to ceramics and glass. The bullet tip writes a 1.5 to 2.0mm 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 Bullet tip for a 1.5-2.0mm line width Barrel colour matches ink colour Ink colour: Black Pack of 12