I still have one of my first PS4s and recently it overheated and got really noisy. I decided it was time to clean it up even though I had one. forever and ever. It was very easy to use the tools. I like the top part because you can put your hand on it and apply pressure while you keep turning the screwdrivers. It's also magnetic which is great and helped me move one of my screws. PS4 is now much quieter and smoother! definitely worth the money