Specifications: Slim body with φ0.4 inch (11 mm) diameter, suitable for both oil and water-based ink. Comes with a carrying clip Made with ultra-fine stainless steel pipe with a tip of 0.02 inches (0.42 mm) in diameter. Blister pack included; Material: Body: PA; Cap: Recycled PC; Nib: Stainless steel; Front Shaft: Recycled PBT; Ink Volume: 0.1 fl oz (4.2 ml); Cap Safety: ISO standard; Ink Component: Both oil and water-based inks; [Art Supplier Dot Comb Postcard A]: Limited Product!! cute animal