5 Blade Shaving Surface + 1 Precision Trimmer™ The Comfort of 5. The Precision of 1.™ 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. To reduce package size, we now bulk pack the cartridges in a easy to open sealed packing. HANDLE SOLD SEPARATELY