Constructed of genuine carbon fiber metal, the Carbonite ballpoint pen will attract the "write" attention to your brand. With its eye-catching silver and black color combination, and a silver engraved imprint of your logo, this promotional product is a great choice. Each pen contains a guaranteed smooth-writing ink cartridge with black ink only. Designed and manufactured to your complete satisfaction and comes with a lifetime guarantee on mechanical parts. Excludes consumable parts such as lead, refills, and erasers.