Gillette Fusion Manual Men's Refill Cartridges:Flexible Comfort Guard features 15 Microfins that follow the contours of your face for a comfortably close shaveIndicator Lubrication Strip fades to white when you may no longer be getting an optimal shave from your razor bladePrecision Trimmer for those tricky spots like sideburns, under the nose, and around facial hair stylingPrecision Trimmer for those tricky spots like sideburns, under the nose, and around facial hair styling