Standard size (1-1/16") & weight (2-7/8 oz).
Pinballs are made of carbon steel & work great in games with magnets!
Reference Numbers:
Bally Part #M-168-26 & #0017-00009-0546.
Stern Part #260-5000-00.
Williams Part #20-6500.
Jersey Jack Pinball #00-000001-00.
Chicago Gaming Company #PIN-20-6500.
Multimorphic #PNBL-Z300-1700.
Multimorphic #PNBL-Z300-1700.