The Gillette Fusion5 replacement shaving heads feature 5 anti-friction blades for an incredibly smooth shave. The precision blade on the back is ideal for hard-to-reach areas and for styling specific parts of the face. The lubrication strip fades to let you know that you are not getting the optimal shave. One replacement razor blade provides up to one month of shaving. Fusion5 replacement shaving heads fit all Fusion5 & Fusion5 Power razors.