High-quality materials: This Mach3 razor features three layers of high-quality blades. The blades are precision-engineered to help ensure a smooth shave. Front Hinge Technology: Front Hinge technology provides enhanced angular flexibility, and the sensor-responsive head follows facial contours closely for an efficient shave. The front pivot helps distribute pressure from your hand away from the blades, enhancing skin comfort. Mach3 Razor Blade Refills: Three-layer razor blades designed for men, offering reliable performance. The responsive blade system helps adapt to subtle changes in facial contours. Anti-clogging design: Designed for easy rinsing to help maintain blade cleanliness. Package includes: 4 packs, each pack contains 6 blades, total 24 blades.