Product review (5 stars): Worked great
I purchased this to use on a new Frigidaire dishwasher with a quartz countertop.  Installation was straight forward.  The directions are easy to follow.  You'll need a drill with a small bit to make a little hole to mount the bracket to the frame of the dishwasher.  Once installed, the dishwasher is secure, and the brackets are out of sight.

I had seen some reviews stating that this product was difficult-to-impossible to install with the countertop was in place.  You have to install the screws by slightly bending back the corners of the tub assembly.  The design could have been much better, but it can be done without too much trouble.  If possible, it will be much easier if the countertop isn't in the way.