Gillette Mach 3 Shaving Blades- Pack of 6 (Cartridges) Gillette mach3 men's razor blade refills feature stronger-than-steel blades that stay sharper longer. With sharper blades 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 micro fin skin guard that stretches the skin and prepares hair to be cut. Mach3 men's razor blade refills fit all mach3 razors. Gillette mach3 gives a better shave than a new 2-bladed ordinary razor even after 5 weeks. Gillette Mach 3 Manual Shaving Razor Blades - 4s Pack (Cartridge) The original MACH3 continues its legacy of close shaves. Its 3Blade technology offers a comfortable shave along with the longevity that comes only with exchangeable blades. Its Comfort Guard includes 5 Microfins to bring you a close comfortable shave while the Indicator Lubrication Strip fades to white to show when you are no longer getting an optimal shave from your razor blade. Still a trusted choice the MACH3 continues to give men around the world a great start to their day.. Gillette Mach3 Blades Discover Gillette's High Performance Blades The Mach3 blades are thinner than a surgeon's scalpel and give you a close shave in a single stroke. A trusted choice the MACH3 continues to give men around the world a great start to their day 3 Blades The MACH3 blades are spring-mounted to adjust to different levels of shaving pressure and skin variations MicroFins The skin guard is comprised of soft microfins to help to stretch the skin ahead of the first blade LubraStrip The lubrastrip delivers water soluble lubricants to skin for incredible glide. It also fades to white when you are no longer getting an optimal shave