This 7' double column with base and hardware is the foundation for a cantilever rack that offers storage on both sides. Ideal when used in a rack and aisle configuration or where there is floor space available to have access on both sides of the support column. Double arm column is 30" wide at base with a maximum height of 7'. Includes all hardware for assembly of the rack base and support column. Maximum capacity per unit: 3,500 lbs.