For Steam Deck/Steam Deck OLED and ROG Ally (NOT FOR Nintendo SWITCH, Switch OLED and PRO CONTROLLER! NOT REPLACEMENT!). PROTECTION: Protect the original joystick from wear and tear. ACCURACY: Increase accuracy through extra height and active radius. MORE GRIP: Made from a special "grippy" material that increases friction and provides more sensitivity to enhance your gaming experience. 3 pairs of thumb grips that have completely different designs to meet gamers’ needs.