... Units include 2 posts, 4 shelves, post sleeves and S-hooks. Add-on units can be attached end-to-end, back ... without tools. Each shelf is adjustable at 1" intervals. Perfect for homes, offices, garages, warehouses, kitchens, restaurants, file rooms, and ... Metal wire rack Metal wire rackOpen wire construction provides ventilation for electronic and computer equipment. Easy to assemble. Shelf spacing ...