Boltless steel storage rack with 5 adjustable particle board shelves supports up to 4 000 pounds when evenly distributed across all shelves Construct vertically as a single shelving unit or horizontally for a 2-piece workbench style unit for your basement garage workshop or anywhere you need heavy-duty versatile storage Post connectors allow easy assembly in just minutes Particleboard decking provides sturdy and solid storage space Shelves are adjustable in 1 5" increments to accommodate items of varying sizes Heavy-gauge steel frame with powder coated silver vein finish for strength and durability Post couplers allow easier post assembly and improved rigidity Assembles in just minutes with no nuts or bolts tools for assembly sold separately Assembled size 48"W x 24"D x 72"H