Onishi Seisakusho Acetate Fountain Ultramarine Thick GT F Fine GJ112 Pen, Blue, Barrel, Dual-Use, Nib,

[Brand] Onishi Seisakusho [Product Name] Acetate thick barrel fountain pen [Type] Cap-type fountain pen [Specifications] Acetate [Size] Length: Approx. 140mm (when stored) / Approx. 160mm (when writing) Barrel diameter: Approx. 14mmφ Weight: Approx. 28g [Nib] Steel nib, F fine point [Ink] Converter/cartridge-in dual-use type [Accessories] Genuine manufacturer's case and instruction manual [Product Description] Onishi Seisakusho is a writing instrument workshop where artisans handcraft every step of the process, from cutting, carving, turning, machining, and polishing materials such as celluloid, acrylic, and acetate. Each pen is a warm, handmade creation, meticulously crafted with refined craftsmanship. Using a traditional machine called a potter's wheel, each pen is carved from a block of acetyloid (acetate), a fiber-based resin, and then polished and meticulously finished.