Material : Tactile Matte Blue Aerospace Grade PCB, Sterling Silver Roll Stop. Nib Size: #6 nib Fine, Medium, Broad, and 1.1mm stub. Cartridge/converter ink system. Weight: 25 grams Length (capped): 140 mm Length (posted): 160 mm Cap Diameter: 16mm Body Diameter: 13 mm. Price includes Steel nib. Please e-mail for 18kt Gold nib upgrade options.