River Mesh Operators Chair Mesh Back Heavy Duty Silver MeshDescriptionSpecificationsShipping Stylish mesh back chair ideal for the home or office Synchro mechanism and ratchet back to set the back to the right height for you Back Height 500mm Seat Height 470mm Seat Width 480mm Gas Height Range 460 590mm 10 Year Warranty Due to freight costs, some orders may incur a delivery charge and this will vary depending on the order, particularly in regional areas. Delivery costs can be confirmed at the time of order.