BOSS Mesh Flip Arm Task Chair Black - Office Products: Pneumatic, Swivel,

This task chair is a step ahead of the rest with the adjustable, flip arm design. It has a spring tilt mechanism that allows the chair to rock or it can be locked in the upright position. It also has a pneumatic gas lift that allows for easy height adjustments, 360 degree swivel and the tilt tension knob under the seat makes tension adjustment simple. Comfort reigns supreme with the mesh back design It also features a 27 inch nylon base with 2 inch nylon dual wheel castors for a smooth roll and a weight limit of 275lbs.