Heavy-Duty Welded Workbenches have an extra strong 7 gauge (0.180 inch) reinforced steel top with rounded comfort edges that can support up to 10,000 lbs. UDL. Heavy 2? x 2? angle legs are 1/4?-thick with welded 7 gauge gussets. The stationary models have foot pads with a 5/8?-diameter anchor hole. A sturdy 12 gauge lower shelf has a 500 lbs. capacity for added storage. All models are welded and ship set up, ready for immediate use. Fixed Height workbenches are 34" high. Adjustable Height workbenches can be adjusted from 28" to 37" high on 1" centers.