8-1/4” Diameter X 26" Length Chisel Bit for Cable Tool
Used
26" length
8-1/4" wide should fit inside
9" inside diameter well casing or work for drilling top hole with spudder 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.