Product Details Manufacturer's Information on Package: A new triple blade shaving system for the closest, most comfortable Sensor shave ever. 3 self-adjusting blades... automatically adjust to every curve of your face. Advanced lubricating strip... keeps Sensor3 gliding easily over your skin. Soft, protective microfins... gently set up your beard so the blades can comfortably shave you closer. All Sensor cartridges fit all Sensor razors. Fits your existing Sensor or Sensor Excel handle.