Upright Column Gauge 10 ga Compatible Arm Length 12 in 18 in Maximum Arms per Side 12 Maximum Load Capacity per Side 20 640 lb 25 650 lb Number of Usable Sides 1 Overall Height 10 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