Boss Horizontal Mesh Back Task Chair, Synchro-Tilt Mechanism (B6566GY-BK) EachThe horizontal mesh back task chair is designed with comfort and ease in mind. The chair features a technology called a Synchro Tilt Mechanism. This allows the backrest and seat to tilt in unison. The back tilts more than seat and is also tension adjustable. The chair also features adjustable arms, a pneumatic gas lift that allows for easy adjustable height and a weight limit of 275 lbs. making sure it is the perfect chair for most everybody. Features