Black Polyurethane High Bench Height Chair is adjustable from 23.25-33.25 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, chrome adjustable foot ring, and black, nylon-reinforced fiberglass base with dual-wheel, self-braking, non-marring casters suitable for hard floors in chemical, soil, and puncture resistant polyurethane.