1 1/2" / 37,5 mm blue
Bally Part No. #R-521-2, #R-141
Bally Midway Part No. #0017-00041-0644
Capcom Part No. #RB00108-08
Chicago Coin Part No. #6052
Gottlieb Part No. #A-10220 , #A-10220Y
Stern Early Part No. #7A-120-150
Data East/Sega/Stern Part No. #545-5348-57 ,#545-5348-07 ,#545-5025-07
Williams/Bally Part No. #23-6304 , #23-6694-8
