The MUTOH MT-025, with its precise 0.25mm size, is ideal for detailed work. Line width: 0.25mm Application: Paper (not suitable for copy paper) Refillable ink pen Allows for the highest quality drafting Stainless steel needle, self-adjusting However, ink pens require caution as the pen tip can dry out and the ink can clog. Suitable paper: Paper, tracing paper *Pen tips only are sold. Product code: MT-025 Manufacturer's suggested retail price: 4,290 yen Thank you for viewing.