AceShot COVERT OPS Thumb Grips (8pc) for Playstation 4 by Foamy Lizard &reg; Sweat Free 100% Silicone Precision Raised Antislip Rubber Analog Grips For PS4 Controller (8 grips) CAMO Each order comes with 4 convex and 4 concave 100% silicone sweat free grips Convex right stick for enhanced precision & improved accuracy while aiming Concave left stick for grip and comfort which reduces hand and thumb fatigue Perfect for any FPS Quickly mount over existing new or worn analog thumbsticks