Classic stern coil stop, with #6 and #8 mounting holes.
Stern #A-186
Classic or Early Stern coil stop used in many Classic Stern pinball machines from 1977-1984
These coil stops are copper plated as the original were
NOTE - Stern made two different stops during this period. Make sure you get the correct one for your game. This stop has #6 and #8 mounting holes. The other stop Stern #1A-270-2 has all #6 mounting holes