The Grainger General Purpose Boltless Metal Shelving is a freestanding metal shelving system with 4 adjustable shelves. Each shelf has a load capacity of 770 lbs and the total load capacity is 3,080 lbs. The shelving unit is made of steel with a gray epoxy powder coat finish and measures 36"W x 18"D x 72"H. Assembly required using provided hardware. Ideal for warehouses, stockrooms, garages, and other storage applications. Provides an economical storage solution.