The Custom Heritage 912 comes with an elegant styling and a great writing experience with a unique 14k gold rhodium-plated nib. This pen is refillable with a cartridge or a Pilot CON-70 converter. All Pilot Custom Heritage 912 nibs are interchangeable and offer a broad array of nib options designed to suit any writing style. The Custom Heritage 912 Collection features an array of 14-karat gold rhodium-plated nibs to choose from: Extra Fine, Fine, Fine Medium, Medium, Broad, Double Broad, Soft Fine, Soft Fine Medium, Soft Medium, Falcon, Waverly, Stub, Music, Coarse and Posting. Each nib offers an unrivaled, yet unique, writing experience. No matter the nib you choose, the Custom Heritage 912 Fountain Pen by Pilot elevates the experience of writing to give the ultimate in personalization of expression in all your creative writing endeavors.