Isograph Pen .40 mm from rOtring® Writing Instruments
Isograph 0.40 MM
Isograph allows working in exquisite detail, offering a unique precision.
Innovative push-on sleeve made for easy access to the ink helix and fast cleaning.
Thin stainless steel nib for the highest precision ever and a very long usage.
Refillable ink reservoir.
Available in 13 different line widths.
To use on a variety of surfaces such as lineboard, tracing paper or vellum drawing paper.