The LAMY AL-Star Fountain Pen is made from lightweight durable aluminum for a comfortable writing experience. This pen is designed with an ergonomic grip, a black metal spring clip and a steel nib. Includes one LAMY T10 ink cartridge. Bottled ink can be used with the addition of a LAMY Z24 ink converter (sold separately). Approximate pen size as follows: Length Capped: 5.6". Length Posted: 6.8". Diameter: 0.5". Model L71.