Easy to Use: Just twist the old replacement head out, and then screw it back with the new replacement head.Simple operation, you don't need to worry about it at all. The package contains: You will get 6 double ring replacement heads and a cleaning brush. It is recommended that you replace the replacement head for your equipment at least every three months to ensure its working effect. 360 Degrees Without Dead Ends: Same as the original version, it can make your facial skin smoother. If you have a finishing touch facial hair remover, our product will be very suitable for you. Prefect for Finishing Touch Flawless: 18K gold-plated surface, a built-in stainless steel blade set, and the bottom interface is perfect for finishing touch flawless facial removal. It can easily remove facial hair without causing pain, facial infections and other problems. Pls Check Your Model, Only for Gen2: The replacement heads only suitable for the second generation finishing touch flawless facial hair remover. If you don't know how to distinguish the models, please check our second product picture.