Sockets or back plates for K & V drawer

A home owner from Scottsdale AZ says:
I need some sockets, or back plates for K & V drawer slider KV 1 300. K and V sent me some but the "necks" aren't long enough. The width is 7/16" and I need a "neck of about 2".
Thumbnail of the uploaded file named IMG-9341.jpg
Profile picture of Casey
Casey from SWISCO responded:

Hello,

Take a look and compare the opening of our 32-012 socket pair to yours. Thanks for posting!

Profile diagram of 32-012
Profile diagram of 32-012
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