On the front:5 Blade Shaving Surface TechnologyFusion has five blades spaced closer together. This distributes the shaving force across the blades to help reduce pressure - for less irritation and more comfort.In addition, a Flexible Comfort Guard follows the contours of the face to help the shaving surface comfortably shave closer.On the back:1 Precision Trimmer BladeFusion's Precision Trimmer Blade is built into the back of the cartridge. It's perfect for tricky places, allowing you to easily:Trim sideburnsShave under your noseShape facial hair