Custom machined, left hand thread, weld-in bung for use with forged Johnny Joint rod ends or any other 1" thread rod end. Hex shaped - not round - for ease of bar adjustment. Also included with this bung is a custom machined jam nut that is the same hex size as the bung. Designed to fit into a tube with a 1 1/4" i.d. Sold each. This product ships in approximately 1 days