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 handcrafted with meticulous care and attention, using 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.