Kaweco is one of the few companies that offers the D1 refill with line width  0.8 mm (fine) in black. Additionally, a red marker refill with 1.0 mm (medium) line width is available for multifunctional devices.

Our ball pen refills comply with the ISO 12757-2 document standard and can therefore be used for important contracts and documents, as well as everyday notes that will stand the test of time.

Suitable for: AC SPORT, AL SPORT, BRASS SPORT, BRONZE SPORT, CLASSIC SPORT, FROSTED SPORT, ICE SPORT, LILIPUT, SKYLINE SPORT, SPECIAL S, STEEL SPORT