Replacement instructionsThis product is replacement type mouse feet you must remove the original mouse feet until you see the screw hole. Alcohol swap is used to clean residual glue please apply your new mouse feet after air-dried of feet sockets.Steps:1. If your stock feet are loose enough, use a knife or a thin edge to pry them off the mouse. If they are tightly stuck, use a hairdryer to heat the feet, as this will also heat the glue underneath and loosen it enough to remove. Try to keep the adhesive attached to the feet when removing, as to make the job easier later on.2. After all the feet have been removed (don't forget the foot around the sensor, if there is one), use an alcohol swap to carefully remove all traces of adhesive on the mouse. Make sure the foot socket is completely clean and dry.3. Peel the mouse feet from the packaging, taking care to bend them as little as possible. Apply the mouse feet slowly, and make sure it lines up with the mouse socket.4. Apply light pressure around the mouse foot or put your mouse on pad and apply light pressure to make sure they are smooth fit. After those steps above you have complete the mouse feet apply. Let’s enjoy the gaming time!What's in the Package1 Set Gaming Mouse Feet1 Alcohol swap