Telescoping Base Stands with Fixed Feet may be adjusted to eight height positions prior to installation. Telelescoping legs are adjustable in 1" increments from 27.5" to 34.5". Durable 1.75" tubular, epoxy-coated steel frame. Rear cross bar supports on all stands except 2' width. To convert Fixed Feet into Telescoping, simply add caster kit (7587-01).