Stern edge slide bracket.
This bracket is used at the bottom back ends (1 on the left, 1 on the right) of a Stern playfield to protect the wood from wearing when sliding in and out of the cabinet.
See links below for parts used in conjunction with this part.
Replaces Sega #535-5988-00.
Stern/Sega reference numbers 535-5988-00 & 535-5988-01.