Product review (2 stars): Came loose after a month; use side mounts instead if you can
I installed these according to the directions, including cleaning the underside of the marble with rubbing alcohol and clamping each side for ~20 mins. Nonetheless, they came loose after a month or so. To give them the benefit of the doubt, the underside of our countertops is not as polished smooth as the top. Next I went with the&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/Whirlpool-8212560-Dishwasher-Side-Mounting-Brackets/dp/B0049I2NPY/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Whirlpool 8212560 Dishwasher Side Mounting Brackets</a>&nbsp;and they worked perfectly even in my very limited space (see my review there for a picture).