Starcut 123693 2-E-3 Cutting Tool 743-231909 L-6234-900-008.
 Industrial cutting tool by Starcut.
Visible markings: ?STARCUT 123693 2-E-3?, ?743-231909/L-6234-900-008?,
?HOLE #228/248 1ST PASS?, ?OP.#100 STA. 19LH?.
Features: long steel body, square drive end, black protective cap on
the opposite end. Includes a blue cardboard storage tube.
What?s included: the tool shown and the storage tube.
Typical use: metalworking and precision hole processing; likely a
reamer/finishing tool (assumption).