The Blickman 1111 Chrome 4-Leg Adjustable Exam Stool is designed for smooth operation and comfort with a chrome shaft and nylon bushing that rides quietly and cleanly during height adjustment. It features a 15" diameter seat, 3" thick polyfoam padding on a durable vinyl upholstery. Travels easily on 2", single-wheel, hard-rubber casters. Choose from 12 upholstery colors.