Executive High Back Black Bonded Leather Chair with Locking Tilt Control Thick Padded Contour Seat and Back with Builtin Lumbar Support One Touch Pneumatic Seat Height Adjustment , 360 Seat Swive Locking Tilt Control with Adjustable Tilt Tension Padded Arms Bonded Leather: Black and Titanium Coated Base with Dual Wheel Carpet CastersExecutive High Back Black Bonded Leather Chair with Locking Tilt ControlThick Padded Contour Seat and Back with Builtin Lumbar SupportOne Touch Pneumatic Seat Height Adjustment , 360 Seat SwiveLocking Tilt Control with Adjustable Tilt TensionPadded ArmsBonded Leather: Black and Titanium Coated Base with Dual Wheel Carpet Casters