Fountain pen Zenith Omega Metallic and ballpoint pen Zenith 7. Clip, nib and ring body covered with high-quality nickel coating. Nib finished with an iridium ball for perfect quality and ease of writing. Exchangeable ink cartridges. The pen body is made of glossy plastic. The casing is divided in 1/3 of height (octagonal upper part). The two parts of the body separated with a brass and nickel ring. Zenith 4 large volume refill with blue archival ink guarantees durability. Length of the writing line of 4500 meters.