Sailor Ink Cartridges in Seiboku Blue Pigmented - Pack of 12 main_color_product_cross-classic-century-translucent-blue-lacquer-ballpoint-pen Its unique design element is

Its unique design element is the distinctive knurling on the cap and barrel in polished black resin

ballpoint pens and mechanical pencils come with an international lifetime guarantee

Noodler's Ink Ahab Flex Nib - Fountain Pen - Oklahoma (formerly known as Cherokee Pearl) - Flex Nib:

Crafted with premium brass barrels and polished stainless steel accents

In addition

Sailor Ink Cartridges in Seiboku Blue Pigmented - Pack of 12 main_color_product_cross-classic-century-translucent-blue-lacquer-ballpoint-pen Its unique design element isSailor Seiboku ink cartridges are filled with deep blue pigmented ink and are designed for all Sailor cartridge converter filling fountain pens except Chalana. Each pack consists of 12 cartridges with ink is exceptionally water resistant and fast drying.