High Quality Made of metal stainless steel 100% fit for Xbox One Elite Controller Series 2 and for Xbox Elite Wireless Controller Easy to Replace The Series 2 Controller has four slots for those paddles that you can easily attach or remove without any tools Running More Smoothly- The paddles which will reside on your middle and ring fingers- The paddles offer the right amount of resistance so that it isn't pressed too easily but loose enough that a quick-twitch will activate it Once you get used to the fact that your middle and ring finger now have buttons available you slowly incorporate those paddles into your traditional gameplay Once those paddles become second nature you will immediately see a difference Improve precision and accuracy The paddles are excellently made and it is such an easy process to button map the controller Fire faster with interchangeable paddles for Xbox One Elite Controller Series 2.