You've got a stack of documents to sign, annotate, or initial and your current pen is already fighting you. These UNI-BALL Signo Impact black pens cut through that friction. Tungsten carbide ball tip lays down a clean, consistent line. Smooth flowing ink means no pressing hard, no skipping. Acid-free, so the marks stay true on the page. Twelve in the box, so you're not rationing one pen across the team
| brand | UNI-BALL |
| product_line | Signo Impact |
| colour | Black |
| pack_size | 12 |
| tip_type | Tungsten carbide ball |
| ink_type | Acid-free |
| category | Office Supplies |
| subcategory | Writing & Correction |