Kaweco D1 Refill for ballpoint. Works for all Kaweco Sport and Liliput ballpoints. Available as blue and black. Remarkable is that Kaweco D1 is available in 3 writing strokes; 0.8mm, 1.0mm and 1.2mm. Normally D1 is only available as medium point [M].

Kaweco D1 Refill Red for ballpoint. Only available as medium point [M].