Under-mount drawer slide socket. Has 8mm pegs.
Euro Side Socket 5/16″ X 13/16″ X 2-1/8″ Fixed. This is a set of left and right sockets; each side is packaged separately. This also come in standard and self-closing varieties.
1-11/16″ X 13/16″ X 1-9/16″ Deep Fixed Socket For Full Extension Drawer Slide
For under-mount drawer slides. 8mm, center-aligned pegs.
15/16″ x 11/32″ x 2-1/8″ adjustable socket. This is a set of left and right sockets; each side is packaged separately.