Every Montblanc fountain pen needs a matching stand, since the stand receptacles correspond to the cap dimensions; a 144 stand thus fits only the 144, a 146 stand only the 146 and so on. Even within the same model number, old and newer versions cannot be exchanged, because dimensions have changed over the years (old and new 146 stands are not compatible). The stands usually work on the slip principle, regardless of the model. For safe selection it is recommended to take one's own pen to a specialist dealer and check on site.