Product ID: PBL-700-0056-00-58
2-1/2" Black Champion Rubber Ring

Williams/Bally reference #23-6694-10.
Gottlieb reference #A-10222Y.
Stern/Sega/Data East reference #545-5348-09.
American Pinball #RBR0001-12.

Jersey Jack Pinball #25-002003-40-0.