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.
Orange star 1-1/16 inch post is common to late model Stern, Sega, Bally / Williams and other brand electronic pinball machines.
Typically fitted with a 5/16 inch inner diameter rubber ring.
Reference:
03-8319-12
Jewelled post