Replacement Shaver Head: You can replace old or broken heads for a new look. 6D flexible floating heads pivot to follow the contours of your head, neck and jaw, providing a closer and cleaner cut without skin irritation. 7D Shaving Blade Replacement: The razor replacement adopts a 7-blade net design to further increase the contact area with your skin. Increase the contact area, built-in sharp blade, efficient and convenient shaving, reduce back scratches. Automatic Grinding Head: When using the electric shaver, the net and the blade rub against each other to realize the automatic grinding function of the head, which makes the electric shaver blade sharper and provides you with a comfortable and efficient shaving experience. Waterproof Head: The razor blade allows you to clean after shaving. You can open the razor head and clean the inside, which can reduce the residual beard residue in the razor head and extend the life of the razor head. Universal Head Blade: Safety razor replacement