Sheaffer Ballpoint Widget - Brass adapter widget for Stratowriter ballpoint pens. Turn your early Sheaffer Stratowriter style ballpoint pen into a working pen again! Early Sheaffer Stratowriter ballpoint pens used a large aluminum tube cartridge that was discontinued in the early 1950s for a short period of time, Sheaffer made brass adaptors so that the current style BP refills could be used.