Black tear drop button-guard side rails for Stern pinball machines.
Set includes one left button guard side rail (535-9596-00) & one right button guard side rail (535-9596-01).
Fits all Stern machines from 1999 to present.
Button hole is 1.55" in diameter, leaving 0.11" clearance around the flipper button for the possible slight flipper button misplacement on the cabinet during manufacture.