Upright Column Gauge 10 ga Compatible Arm Length 24 in Maximum Arms per Side 9 Maximum Load Capacity per Side 12 530 lb Number of Usable Sides 2 Overall Height 8 ft Overall Width 8 in Compatible Grainger Part Number 13P923 13P924 13P930 13P931 13P932 13P937 13P938 13P939 13P940 13P941 13P942 Base Depth 65 in Includes Mounting Hardware Yes Duty Rating Heavy-Duty Steel Includes Bracket