EGA Products 9 Step Steel Vertical Walk-through Ladders are ideal for vertical access to water tanks, building roofs, elevated platforms where a ladder can be flat-mounted vertically. Walk-through handrails extend 42" above top rung offering safe access on and off the ladder. Constructed from 1 1/2" steel tubing, these ladders are durable and tough. Rungs are 1" diameter. Meets or exceeds OSHA specifications.