Kaweco Frosted Sport fountain pen features a smooth ergonomic grip and durable banana yellow ABS injection-moulded plastic barrel. This stylish fountain pen also features smooth silver tone stainless steel nib and comes with pre-installed blue ink cartridge and can be modified for use with converter. This fountain pen has screw on cap type with metal Kaweco logo on the cap tip and comes in a octogonal design. This Kaweco has 4.1" inches closed length and 5.1" inches posted length. The Kaweco Frosted Sport fountain pen is brand new and 100% authentic.