Upright Column Gauge 11 ga Compatible Arm Length 12 in 18 in Maximum Arms per Side 9 Maximum Load Capacity per Side 14 950 lb 18 520 lb Number of Usable Sides 1 Overall Height 8 ft Overall Width 9 1/2 in Compatible Grainger Part Number 1CHZ4 1CHZ5 Base Depth 34 in Includes Mounting Hardware Yes Duty Rating Heavy-Duty Steel Includes Toe Plate