Rear Drawer Mount Identification

A home owner from Warren, OH says:
December 2, 2015
Please help to identify the two parts attached. Both were used for Kitchenmaid cabinetry installed in 1992. One part piece was used for a rollout drawer,piece stamped with 471029. Two piece part was used for larger drawer and stamped with 3809.
User submitted photos of drawer hardware.
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Paul from SWISCO responded:
December 3, 2015
I'm afraid this socket has been discontinued and is no longer available, however look at our 32-012 and let me know if you could use this as a substitute.
Rear Drawer Track Socket Pair
Rear Drawer Track Socket Pair
32-012
$3.95
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