A fine liner with a triangular ergonomic grip for comfortable writing without hand fatigue. It is fitted with a fine-writing metal tip with a metal collet and filled with special inks in four shades - red, blue, green, and black, which do not get through the paper. Lifetime period at least 3 years. Minimum order quantity of 1,000 pieces of each shade or set of four shades.
| Surface colour | Blue |
| Print colour | White |
| Trace colour | Red, Blue, Green, Black, Mix |
| Printing technique | Screen printing full length |
| Shape | Triangular |
| Tip diameter | 0,3 mm |