Plus, our conveniently-designed crank operates from either side of the Table to raise top height from 39-in. to 62-in. (99.06cm to 157.48cm). Table top surface measures a full 40-in. long x 23-in. wide (101.60cm long x 58.42cm wide) to hold an assortment of supplies. And the raised back rail keeps equipment from sliding off accidentally. Rolls smoothly on 3-in. (7.62cm) diameter non-marking casters to allow you to move Table into position easily. Two casters have brakes for safety.