RIB-4-MRK-31 SKU RIB-4-MRK-31-3626 4 BAY RISER BASE:31DP MRK/VRK Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Timesaving and practical system to rough-in rack installationsHeavy-duty welded construction with black powder coat finishSystem includes 2-1/2 high basesBase matches rack sizes, and allows cables to pass underneath