OPTIMIZE AIM – Black Galaxy Performance Thumbsticks help you make smaller more precise movements while Precision Rings, which come in 3 strengths, to create resistance and shock absorption while playing allowing you to increase you in-game sensitivity PERFORMANCE THUMBSTICKS – have been ergonomically designed to improve comfort reducing wrist, hand, and thumb fatigue PRECISION RINGS - made from a unique material that adds resistance to your stock thumbsticks so you can take more accurate shots, even at max in-game sensitivities INCREASE ACCURACY – Mixed height Performance Thumbsticks for faster target acquisition and increased precision on the right, as well as better control and maneuvering on the left IMPROVE CONTROL - Precision Rings compact to cushion your stick, adding resistance and preventing you from over-shooting your target. Rings allow you to increase your in-game sensitivity, so you can react more quickly during battle The KontrolFreek Aim Boost Kit for PlayStation 5 (PS5) and PlayStation 4 (PS4) is designed to improve your gameplay and accuracy, while also allowing you to have the freedom to customize your playing experience.