3-1/2" x 9' 4" flat-bottom bailer hole cleaning tool
For wireline cable spudder pounder water geothermal oil gas well drilling servicing rig.
Presumably American manufactured with carbon and/or alloy steels, but unsure if this is Acme, Spang, Gill Rock Drill, Ideco, Trident, Rampp, O.W.S. Co., Keystone or maybe another historical tooling manufacturer.
If you require thread protector(s) on tool joint(s) add another $15.