- Professional mechanical pencil Tombow SH-MG90-R3 with extra-fine 0.3 mm tip for precise strokes - Extra-long metal guide prevents breakage and ensures clean writing in technical drawings - Innovative shake mechanism for quick and efficient lead advancement - Refillable eraser and leads extend the pencil's lifespan and reduce waste - Transparent and slim barrel for comfortable handling and a modern look - Perfect for office, study, travel, and any task that requires fine lines and accuracy