rOtring Isograph Technical Drawing Pen Replacement Nib Only, 0.25 mmNeed to change out or replace the nib of your favourite rOtring Isograph pen? It's easy. Designed and crafted with precision for superior performance, the Isograph Replacement Nib offers exceptionally slender writing and drawing tips. The wear-resistant hard chrome-plated thin tip prevents dripping and blobbing. Achieve exquisite detail work in your drawing and enjoy long-lasting use with the Isograph Replacement Nib.Features: Replace your favourite risograph pen with a replacement 0.35 mm nibThe hard chrome-plated thin tip produces exquisite, detailed workThe wear-resistant tip prevents dripping and blobbingDesigned and crafted with precision for superior performanceIdeal for use on a variety of surfaces including line board, tracing paper and vellum drawing paperSpecifics:Material: PlasticSize: 0.35 mmColour: Brown/yellowPackage contains: 1 pack of Isograph Technical Drawing Pen Replacement Nib