CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Round post with 8-32 bottom stud x 2.125 inch shaft and 3/8 diameter.
Stud is .75 inches, overall length is 2.875 inches.
Reference:
02-4322-19