JJP/Williams/Bally WPC-95 black backbox hinge set.
Used in the following WPC-95 machines:
Attack From Mars
Champion Pub
Cirqus Voltaire
Congo
Indy 500
Jackbot
Johnny Mnemonic
Junkyard
Medieval Madness
Monster Bash
NBA Fastbreak
No Good Gofers
Scared Stiff
Tales of the Arabian Nights
Who Dunnit
Williams/Bally #01-9011.2-R & 01-9011.2-L.
Used in the following Jersey Jack Pinball machines (paint & plating vary machine to machine)
Wizard of Oz
Hobbit
Dialed In
Pirates of the Caribbean
Willie Wonka & The Chocolate Factory
Guns N' Roses
Toy Story 4
The Godfather
Elton John
Jersey Jack Pinball reference #42-007001-XX.