Flex-Link
Flex-Link XCFF 88X260 Die Cast Aluminum Foot Flex Link
A nice touch on this VANKEPPEL cabinet is the magnetic door catch.
Flex-Link 1-1/2" x 3-1/2" x 100" Aluminum T-Slot Extrusion Smooth Profile
You will find that Omni Tools are a sensible upgrade from basic hardware store brands.