The 2013 Limited Edition LAMY Safari Fountain Pen is a vivid neon yellow highlighter color and has a stainless steel 1.5mm calligraphy nib. This sturdy ABS plastic pen is designed with an ergonomic grip and a polished chrome spring clip. Its ink window allows you to see when your ink level is running low. Compatible with LAMY T10 ink cartridge refills and the LAMY Z24 ink converter (sold separately). Includes one LAMY T10 ink cartridge. Approximate size as follows: Length capped: 5.6". Length posted: 6.7". Diameter: 0.5". Model L13YW-15.