High quality drafting chair features plastic shell casing on seat and backrest. Includes one touch pneumatic seat height adjustment, articulating seat and back, and back height adjustment. Extra thick 4" deep seat cushion for comfort. Five-star base with dual hooded casters. Adjustable chrome plated footring. Meets or exceeds ANSI/BIFMA standards. Available in Black or Dark Gray. Some assembly required.Optional Arm Kits and nylon or steel glides available.