TWSBI Swipe Fountain Ice Bold TW110024 Pen, Blue, Dual-Use, Nib,

[Brand] TWSBI [Product name] Swipe [Type] Cap-type fountain pen [Nib] Stainless steel nib, bold B [Mechanism] Converter and cartridge ink dual-use type [Size] Length: Approx. 138mm (when stored) / Approx. 165mm (when writing) Maximum barrel diameter: Approx. 13mmφ Cap diameter: Approx. 14mmφ (excluding clip) Weight: Approx. 12g [Accessories] Genuine manufacturer's case, instruction manual, spring, push-type converter (built-in), 1 ink cartridge (black) [Consumables (sold separately)] Ink cartridges: M25312/TW62000 (black, blue, red/10 cartridges) Converter: M74478 (screw type, push type/1.0ml) Twisbee bottled ink Introducing the new TWSBI SWIPE fountain pen, featuring three ink supply options: push-button converter, cartridge, and screw-type converter! *TWSBI ink cartridges cannot be used with other brands of fountain pens. *When using TWSBI ink cartridges, please use the included spring to ensure proper handling even under intense movements.