rOtring Isograph Technical Drawing Pen Replacement Nib | 0.35 mm

Replace your favourite isograph pen with replacement 0.25 mm nib The hard chrome-plated thin tip produces exquisite, detailed work The wear-resistant tip prevents dripping and blobbing Designed and crafted with precision for superior performance Ideal for use on a variety of surfaces including line board, tracing paper and vellum drawing paper