The Metro SM862154-ADD is a cantilevered shelving unit designed to enhance your storage capabilities. This SmartLeverâ„¢ Add-On Kit features overall dimensions of 56-1/5"W x 25-1/2"D x 86-3/8"H and is compatible with 54"W x 21"D Metro shelves. The kit includes one upright, one leg, two cross braces, two cross bars, and all necessary hardware for easy assembly. Constructed from epoxy-coated steel, this shelving unit is durable and meets NSF standards, making it suitable for various environments. Maximize your storage space efficiently with this versatile shelving solution.