Check the listing for details. 5-1/2” diameter 29” length Cable Tool Drilling Chisel Bit tool joint 3-1/4" API. Condition: Used. Listed at 250.00 USD. 5-1/2” diameter x 29” length Cable Tool Drilling Chisel Bit, tool joint 2-1/4” x 3-1/4” pin (male) thread appears to be good, just might need cleaned and/or greased. Presumably American manufactured with carbon and/or alloy steels, but unsure if this is Acme, Spang, Gill Rock Drill, Ideco, Trident, Rampp, Keystone or maybe another historical tooling manufacturer. Put this piece of drilling history back to work on your cable tool (Bucyrus-Erie, Speedstar, Cyclone, Keystone or any other spudder / pounder) water well drill rig, simply add it to your vintage / antique Americana history collection, or modify as needed to make it what you want to be (or whatever application you may have), Price $250 as is. If you require thread protector(s) on tool joint(s) add another $15 per tool joint.