With sharper blades (first 2 blades vs. Sensor3), it is engineered to last for 15 comfortable shaves. These Gillette razors feature a lubrication strip that glides to help protect your skin from redness, and a microfin skin guard that stretches the skin, and prepares hair to be cut. Mach3 men's razor blade refills fit all Mach3 razors. This pack includes 4 Mach3 razor blades.

• Stronger-than-steel blades stay sharper longer (vs. Sensor3)
• Each razor blade refill is engineered to last for 15 comfortable shaves
• Features sharper blades (first 2 blades vs. Sensor3)
• Lubrication strip glides to help protect your skin from redness
• Advanced skin guard helps stretch your skin, and prepares your hair to be cut
• Fits with any Mach3 razor handles