The pencils have pigmented, acid-free and non-toxic water-based ink that resists smudging.
The ink is waterproof, lightfast and photo safe.
The smooth plastic tip ensures precision during use.
Thin pens are ideal for technical drawing, cartooning or scrapbooking.
Available in 12 thicknesses - from 0.03 mm to 1.0 mm and with brush tip.
Complies with ASTM D-4236
Made in Japan.