Muji Aluminum Round Shaft Fountain Pen Black 13.71cm Includes 1 Fine Ink Cartridge

The cartridge is compatible with aluminum round barrel fountain pen ink cartridges, containing two black cartridges (15-139 040) as replacement cores. Size: When cap is attached: Total length: 13.7cm ・Thickness: Diameter 1cm ・Weight: 20g Color: Black Material: Body: Cap: Aluminum ・Clip: Iron ・Upper body: Brass ・Nib: Iron Ink type: Water-based (Dye type) Country of origin: Body: Japan ・Nib: Germany