The N°1 is the first original X47 pen with a length of 10.5 cm and reliable German mechanics.
It features a precise rotary push-pull mechanism and is available as a ballpoint pen with blue lead or as a mechanical pencil with lead thicknesses of 0.5 or 0.7 mm.
The caliber can be easily removed by turning it.
A total of eleven different surfaces are available.
The N°1 ballpoint pen accepts all common four-color or D refills, which are available in various colors and thicknesses from specialist retailers.