5 inches from the top of the seat to the floor and features 360-degree, all-around control mechanism making it easy to adjust no matter where you sit 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.5-20.Industrial Blue Polyurethane Desk Height Stool is adjustable from 15..