XFUNY(TM) Pack of 8 PCS/4 Pairs Silicone Precision Platform Raised Anti-slip Rubber Analog Thumb Grip Thumbstick for PS2, PS3, PS4, Xbox 360, Xbox One Controller Each order comes with 4 pcs convex and 4 pcs concave 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. High quality and durable rubber thumb grips to protect your PS4 analog sticks and enhance your gaming experience. Suitable for PS2, PS3, PS4, Xbox 360, Xbox One controller.