Fits all fusion handles. 5 Blades. Precision Trimmer for accurate edging. Enhanced Lubrastrip** with a smooth glide. Our most advanced blade coating. Gillette's thinnest, finest blades***. MicroComb to help guide stubble to the blades. Up to 4 months of shaves.* *Based on 4 shaves per week over average cartridge consumption. **vs. Mach3. ***First 4 blades.