1. Soft, protective microfins gently set up your beard so the blades can shave you closer with incredible comfort. 2. Self-adjusting twin blades automatically adjust to every curve of your face and safely respond to every detail of your skin. 3. All Sensor razors fit all sensor cartridges. Gillette Sensor Excel Blades with comfort blades provide the closest, most comfortable Sensor twin blade shave. The best a man can get. Soft microfins placed before the blade to help stretch skin and prepare the hair to be cut. Self-adjusting twin blades spring mounted for a great shave. All Sensor razors fit all sensor cartridges.