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).