Gillette Fusion5 ProShield menreplacement razor blade refills with lubrication before & after the blades shields from irritation while you shave. It features 5 precision blades for incredible comfort (vs. Mach3). With Gillettethinnest and finest blades (first 4 blades vs. Fusion5) ProShield allows less tug & pull (vs. Fusion5). The Precision Trimmer on the back is great for hard-to-reach areas such as under the nose and sideburns. One razor blade refill equals up to one month of shaves. Fusion5 ProShield blade refills fit all Fusion5 & Fusion5 Power razors.