Fusion is Gillette’s first five-bladed razor, which includes a sixth trimming blade on the back of the cartridge for beards and mustaches. This unique design allows men, both clean-shaven and with facial hair to use the razor. Another great feature is that the razor is shower safe, allowing you to shave when and where you wish. Product features: 5 Blade Shaving Surface Technology … has 5 blades spaced closer together to help reduce pressure - for less irritation and more comfort. 1 Precision Trimmer Blade … built into the back of the cartridge. Perfect for tricky places like sideburns, under the nose, and around facial hair. All Fusion cartridges can be used with all Fusion razors. *A combination of packs may be shipped to make up the total number of refills offered. In addition, UPC codes may vary depending on pack size

Source : Amazon.com