The eXtremeRate FLEXOR trigger stop grips kit is an evolutionary custom kit that advanced gaming functionality to your existing controller for Xbox Series X / S. With it, you will have a faster trigger response, get a huge advantage in games such as shooting. Product Feature: Specially designed for Xbox Series X / S, Xbox core controller (model 1914). The FLEXOR hair trigger grips kit can greatly improve the function of the LT RT shoulder buttons for Xbox Series X / S controller. Ergonomic 3D diamond texture rubber back panels will make your controller stand out; Adds a comfortable feel and noticeable texture to your controller. Ergonomic grips provide better control and comfort; Upgrade your controller to suit you and stand out from the competition. Adjustable dual trigger locks help you fire faster and save valuable time during fast FPS or shooter games. After setting the short trip, just pre down 5mm, the function of LTRT can be triggered, save half the distance. Easy to install. Get the installation video guide by searching for "eXtremeRate FLEXOR trigger stop grips" on YouTube. Kindly note the racing game only works on long trip mode. The 3D diamond texture rubberized side rails will make your controller stand out from the crowd; Ergonomic design grips will add a comfortable feel and get a better grip on your controller. Package Included: 1* Right side rails 1* Left side rails 1* Set of trigger lock switches 1* Open shell tool Note: The controller and other parts are not included!