Limited Edition MONO Graph Nature mechanical pencil series features five beautiful designs inspired by the natural world: Ocean, Botanical, Animal, Fruit, and Planet. Each pencil is adorned with simple white doodles of nature elements, creating a charming and creative feel. The MONO Graph Nature mechanical pencil features an innovative shake-mechanism that allows you to extend the lead by simply shaking the pencil. Its clip is equipped with a shake lock that prevents accidental lead extension, ensuring you can write and draw securely and comfortably. The 4mm long fixed guide pipe prevents lead breakage and allows for precise writing and drawing. Refillable with 0.5mm HB lead, perfect for your daily writing or sketching needs. Box opens into a shelf display of 10.