Boltless shelving is a preferred storage option for businesses, offices, and warehouses needing to keep inventory, parts, and supplies organized. These extra light-duty shelf levels allow you to increase the storage capacity of your existing starter unit, easily and reasonably. 3/4"w x 2-5/8"hdouble rivet angle beamsmade of 14 gauge powder-coated steel Optional 5/8" thick particle board decking for a solid storage surface For weight capacities, please see Product Details section below. Availability:Stocked in our warehouse. Ships next business day.