OT1370 Features: * Supportive Head Rest * Thick padded contour seat and air grid back with built-in lumbar support * One touch Pneumatic seat height adjustment * 2-to-1 Synchro tilt control with adjustable tilt tension * Height adjustable angled arms with soft PU Pads * Heavy Duty Angled Nylon Base with Dual Wheel Oversized Carpet Casters * Arms max inside: 19.25"" * Arms to floor min: 25.5"" * Seat height max: 23.25"" * Seat height min: 19"" * Seat travel: 4.25"" Dimensions: * Seat dimensions: 21.75"" W x 19.5"" D x 4.25"" T * Back dimensions: 20.5"" W x 32.75"" H * Overall dimensions: 56.25"" H x 27.5"" W x 28.5"" D