Manager Stool without Arms Engineered to make personal positioning easy, so you're more comfortable and productive. Back and seat angle adjust simultaneously to cradle your back for day long comfort. Pneumatic 24 to 29" seat height adjustment to ensure that your feet and legs are properly supported with the 7-1/2 to 11"H adjustable chrome footrest. Generous sized seat has extra thick 3-1/2" padding covered in durable 100% acrylic upholstery. Waterfall contoured design helps to reduce stress on knees and ensures proper circulation. Contoured back provides lumbar support and encourages proper posture. Independent adjustable back angle, tilt lock and back tilt tension adjustment. Manager Stool seat 20"W x 19-1/2"D, back 19-1/2"W x 20"H. Aluminum 5 blade base with steel reinforcement includes five 2" dual wheel carpet casters. Easy assembly. 1 Year Limited Warranty. 250 lbs weight capacity.