Feature: 1. Specially Designed: Replacement thumbsticks kit is designed specifically for Elite Series 2 controller core (model: 1797). 2. Function: Metal thumbsticks kit includes 4 highly sensitive and programmable metal back buttons with up to 12 keys functions assigned. 3. Wear Proof: Thumbsticks replacement buttons are magnetic and allow for free rocker height change. The rocker is made of silicone, textured and resistant to wear and tear. 4. Premium Material: Wireless controller paddles accessories are made of metallic stainless steel and the directional keys work exactly like the original buttons. 5. Accessory Case: Thumbsticks replacement buttons come with a hard EVA accessory case to provide , with good waterproof, shockproof and dustproof features. Specification: Item Type: Replacement Thumbsticks Kit Material: Metal Scope Of Application: for Elite Series 2 Generation Elite Version of the Handle Package List: 12 x Pushbuttons 1 x Pick 1 x Storage Bag Note: Easy to replace, watch a video on how to install them, it takes about 15 minutes to complete the installation.