The Tennsco Boltless Shelving is a heavy-duty steel shelving unit that can be assembled without tools or hardware. It has a weight capacity of 800 lbs per shelf. The unit has 4 adjustable shelves that can be spaced in 1" increments along the uprights. It measures 36"W x 18"D x 72"H. The shelves are made of 22-gauge steel and have rolled edges for safety. The uprights have holes punched every inch for adjustability. Assembly requires no nuts, bolts, clips or hardware. The finish is an attractive gray powder-coat. This shelving unit provides sturdy, customizable storage for warehouses, garages, basements and more.