Usage Tips:- Material: The gaming chair angle adjuster is made of steel plate material, which is sturdy and durable and the seat is comfortable. - Wide Application: Chair angle adjuster, easy to install and remove, suitable for various gaming seats to achieve a comfortable feeling. - Multi function: 1 pair of chair high back swivel adjusters, suitable for , trucks, buses, office chairs, gaming chairs, and more. - Features: The computer desk and chair angle adjuster can be adjusted at an angle of 65 to 180 degrees, and the backrest angle can be adjusted according to personal needs or sitting posture. - Accessories: The chair adjuster is the perfect replacement accessory for old or damaged chair parts. Size Chart: 35cmx20cm\/13.78inchx7.87inch Package Includes: 1 pair of Multi Angle Adjuster Note: Please allow slightly errors due to manual measurement and different monitors.