Doodle, draw and detail with this assorted nib set of black Pitt Artist Pens®. Perfect for creative journaling, card making and scrapbooking. The pens work beautifully on all types of papers and even canvas. Made from black odorless India ink that won't bleed through your pages. The ink is waterproof, lightfast and archival for creating beautiful designs that will last a lifetime. Just like a real paintbrush, the flexible brush nib will bend and bounce back to its original form, perfect for brush lettering and inking stamps. The Medium nib is 0.8mm for bold lines. The Superfine nib is 0.4mm perfect for handwriting and detailing. The Extra Superfine nib is 0.1mm for the tiniest details.