The Middle-Atlantic ERK-20R Skirted Wheelbase provides a handy platform flush with bottom rackspace for supporting heavy equipment and mounting electrical boxes. The fine construction of this wheelbase includes Dynatread TPR soft rubber wheels for added floor grip and extra durability.
Each base comes with its wheels preinstalled to save time, fits inside rack, and raises total rack height only 3-3/4". This wheelbase includes a 700 lb. load capacity and fits the 20" deep ERK series.