rotring Isograph ink pen, thickness 0.3 mm Refill  (Ink Color - Black)

Innovative push-on sleeve made for easy access to the ink helix and fast cleaning. Innovative push-on sleeve made for easy access to the ink helix and fast cleaning. Technical Drawing Pen Patented push-on sleeve for easy access to the ink helix and for fast cleaning Wear-resistant, hard chrome-plated thin tip allows working in exquisite detail Refillable ink reservoir ideal for frequent drawers using bottle inks. Not suitable for tattoo usage.