Stern Anti-Sway 1" Black Square Stand-Up Target Assembly
Ships from US and is sold by Pinball Life$11.95
Stern 1" square target switch assembly with mounting bracket.
Comes with a anti-sway mounting bracket assembly that prevents the target from leaning to the right or left.
This switch is used in most Stern SPIKE and SPIKE 2 system machines. There are two lugs and no diode.
Stern reference #515-9783-00-00.