TWSBI Diamond 580ALR Sunset Yellow Fountain Pen

The TWSBI Diamond 580AL comes with a benchmark piston ink-filling mechanism and has all detachable parts. The clear demonstrator barrel allows you to see your ink color and remaining ink level. It comes with a stainless steel nib and aluminum machined grip, connector, and piston rod.  

nib: steel

ink: piston fill, bottled ink