Upright Compatible Arm Length 12 in 16 in Maximum Arms per Side 6 Maximum Load Capacity per Side 6 000 lb Number of Usable Sides 1 Overall Height 7 ft Overall Width 8 1/2 in Compatible Grainger Part Number 4UK77 4UK80 9WEA9 9WRZ7 Base Depth 26 1/2 in Duty Rating Medium-Duty Load Capacity 6 000 lb Steel