1、PERFECT COMPATIBILITY: Perfect fit for Xbox Elite Controller Series 2 (Model 1797) for Xbox Elite Series 2 Core Controller. Trigger principle is exactly the same as the original accessory, easily replace old worn out buttons. 2、PREMIUM MATERIAL: Metal thum bsticks accessories are made of premium silicone and metal, paddles and arrow keys are made of metal, accent rings accessories are made of premium ABS, same as the original material, very durable and won't wear out easily. 3、EXCELLENT TOUCH: The slick surface of the joystick gives you a more wonderful gaming feeling, and also can help you get better performance in the game. 4、FLEXIBLE AND CONVENIENT: metal thum bsticks accessories kit comes with textured grips and adjustable tools. All joysticks, paddles and arrow keys are removable and customizable. 5、EASY TO CHANGE: Switch the head of the thumbsticks to each of your favorite controller without taking the controller apart, the head sticks back like a magnet and is very sturdy.