A triple blade shaving system for the closest, most comfortable sensor shave ever. Fits all sensor razors. 1. 3 self-adjusting blades.. automatically adjust to every curve of your face. 2. Advanced lubricating strip.. keeps Sensor 3 gliding easily over your skin. 3. Soft, protective microfins.. gently set up your beard so the blades can comfortably shave you closer. For the best shave from Gillette, try the Fusion shaving system.