Three stronger-than-steel razor blades stay sharper longer* Each razor blade refill is engineered to last for 15 comfortable shaves This men's razor refill features sharper blades and a smooth glide over skin* Improved lubrication gel to help the razor glide* The Gillette Mach3 men's razor blades are engineered for the precise shave you expect from Gillette razors. It has three DuraComfort blades and features an Open Blade Architecture for easy rinsing. Improved lubrication* gel to help the razor glide. All Mach3 blade refills fit all Mach3 handles. **This package comes with 20 blade refills, does not contain handle. *vs. Sensor3