Sheaffer "widget" refill adapter--new old stock

This was a short-lived adapter to convert your Sheaffer ball pen that took screw in refills to convert to using non-screw-in refills (k model)

The adapter screws into the threaded section of early Sheaffer ball pens. Spring to put behind refill included.

Ball pen refill not included

These are seldom seen by most collectors.

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