Williams/Bally WPC Black Backbox Hinge Set

Williams/Bally WPC black backbox hinge set.
Used on the following games:
Bugs Bunny Birthday Ball
Black Rose
Bram Stoker’s Dracula
Bride of Pinbot
Creature from the Black Lagoon
Corvette
Dr Dude
Dirty Harry
Doctor Who
Funhouse
Flintstones
Fishtales
Gilligan’a Island
Harley Davidson
High Speed 2, The Getaway
Hurricane
Indiana Jones
Judge Dredd
No Fear
Party Zone
Popeye
Rollergames
Roadshow
Radical
Star Trek; The Next Generation
Shadow
Terminator 2
The Addams Family
Twilight Zone
Theatre of Magic
World Cup Soccer
White WaterWilliams/Bally reference numbers 01-9011-R & 01-9011-L.