These artist pens feature maximum light-fastness; waterproof; pigmented drawing ink and are acid free.
- Eight pens: Three 199 black (small nib; medium nib; and brush nib)
- Five shades of grey: 232, 233, 235, 272, 273 (all brush nibs)
- Reusable storage pouch
- Conforms to ASTM D4236