On Tue, 3 Apr 2018 15:03:24 -0500, Terry Coombs
wrote:

* Those look exactly like the hundreds (thousands ?) of guides I
installed in a major millwork shop ... and they're rated a hundred
pounds , I doubt you'll overload them to the point of failure with a
shallow drawer/shelf . This ain't rocket science .

Correction on a post of mine, I said I had one cabinet with slide out
drawers/shelves. The second is under the stove range. It holds the
heavy pots & pans. Some cast iron. The other cabinets hold flour and
other heavy contents. Both are shelves.