Tool identification - possibly antique
The second two are to reach down into a valve/faucet and refinish or smooth a bronze seat. A hard rubber washer will seal against the bronze seat. If the seat becomes corroded or worn the rubber can not seal. They are turned by hand to clean the bronze seat. Often a new washer by itself can repair a valve . But sometimes the bronze seat needs to be smoothed. Newer faucet designs use a cartridge instead of the rubber washer / bronze seat design.