Nickel plated bumper post with #6-32 female top threads & a #10-32 male bottom threads.
Used on the following Williams/Bally machines (may not be a complete list):
Also used on JJP's Willy Wonka machines.
Used on the following Williams/Bally machines (may not be a complete list):
| Bram Stokers Dracula | Williams WPC (Fliptronics 2) |
| Dirty Harry | Williams WPC Security (WPC-S) |
| Dr Who | Midway WPC (Fliptronics 2) |
| Johnny Mnemonic | Williams WPC Security (WPC-S) |
| Popeye Saves The Earth | Midway WPC (DCS) |
| Theatre of Magic | Midway WPC Security (WPC-S) |
| White Water | Williams WPC (Fliptronics 2) |
Williams/Bally #02-4677.
Jersey Jack Pinball #97-100000-00