Seville Classics 4-Tier UltraZinc NSF Steel Wire Shelving, 18" D x 36" W x 72" H UltraZinc plating provides necessary corrosion resistance in dry environments Industrial-strength steel wire construction for multipurpose storage NSF certified for commercial, residential and office environments Each shelf holds up to 500 lbs. in systems on leveling feet Shelves are height adjustable by 1-inch increments; no tools required for assembly Industrial-strength steel wire construction Zinc plating provides necessary corrosion resistance in dry environments NSF-certified for commercial, residential and office environments Store up to <span class="a-text-bold">2400 lbs.</span> per system on<span class="a-text-bold"> leveling feet.</span> Store up to <span class="a-text-bold">500 lbs.</span> per system on<span class="a-text-bold"> wheels.</span>