Gillette Mach3 Turbo Men's Razor Blades are designed to give you a classic shave you can trust. 3 stronger than steel blades that stay sharper longer (vs. Sensor3). All Mach3 men's razor blades fit the Mach3. Features and Benefits: Designed with a precision cutting edge that delivers up to 15 shaves per blade 3 blades for a classic, smooth shave Long-lasting lubricating strip 3 stronger than steel blades that stay sharper longer (vs. Sensor3) Up to 8 months of shaves per pack