Common pinball playfield nickel plated ball guide mini-post with 8-32 x 7/8" long threaded stud section uses 23/64" OD or 27/64" OD rubber ring.
Reference:
- 02-4177-2
Common pinball playfield nickel plated ball guide mini-post with 8-32 x 7/8" long threaded stud section uses 23/64" OD or 27/64" OD rubber ring.
Reference: