Williams/Bally 1.06" Narrow Plastic Post
Ships from US and is sold by Pinball Life$0.99
Narrow post used on later Williams/Bally machines.
Williams/Bally reference numbers:
03-9357-9 (Red) - used on Attack from Mars & Revenge from Mars.
03-9357-10 (Blue) - used on Junkyard.
03-9357-13 (Clear) - used on Cactus Canyon, Jackbot, Monster Bash, Medieval Madness, NBA Fastbreak, Scared Stiff, & Who Dunnit.