Underwood 3 and 4 Bank* Standard Portable Ribbon Spool Thumb Screws F*S no google factory-original HERMES ROCKET or BABY

factory-original HERMES ROCKET or BABY Grey Platen knobs made from tough-as-nails thermoformed plastic that will not crack or chip like the first ones Hermes used

A manual is included which explains how to use the calculator

It is in excellent condition

19″ all-purpose hand carry tool box

Underwood 3 and 4 Bank* Standard Portable Ribbon Spool Thumb Screws F*S no google factory-original HERMES ROCKET or BABYThis sale is for two (2) brand new replacement thumbscrews to secure the ribbon spools on your Underwood 3 and 4 bank typewriters, they are necessary to secure the ribbons on their spindles otherwise when you carry the typewriters the ribbons fall out in the case. These thumbscrews will fit both the Underwood Standard Portable 3 and 4 Bank typewriters, they have a mat black finish and nicely complement the black ribbon spools and your Underwood's