Description: Premium Material: The Chair Armrest is made from premium pp, ensuring wear resistance, durability, and long term use.Adjustable Height: This gaming chair Armrest has an adjustable height feature, with a minimum height of 28.5cm, and can be raised to 35.5cm, providing flexibility and comfort for the user.Multifunctional Design: Not only does the 3D Adjustable T Arms Armrest have an adjustable height feature, but it also allows for a 45 rotation, offering users the optimal experience by adjusting to the most comfortable angle as needed.Easy Installation: The installation process is straightforward and doesn't require any professional assistance, making it convenient for all users.Universal Fit: This accessory is suitable for most office chairs and gaming chairs, making it an ideal choice for your workspace or gaming equipment. Size Chart: 4 Hole: 3cmx18.5cmx28.8cm/1.18inchx7.28inchx11.34inch, hole spacing 5.7cm/2.24inch, not raised 28.5cm/11.22inch, raised to a maximum of 35.5cm/13.98inch. Package Includes: 1 Pair Chair Armrest(2pcs) Note: Please allow slightly errors due to manual measurement and different packages.