Presto ECOA extended vertical travel lifts utilize multiple scissor mechanisms. Double, triple and quad scissor configurations are available in capacities from 2,000-6,000 lbs. with lifting heights of 70 inches up to 356 inches. All models are built with structural tube scissor legs and torque tubes. They feature UL and/or CSA approved controller components, hydraulic limiter valves at the base of each cylinder, mechanical upper travel stops and safety restraint maintenance bars.