Gillette Mach 3 razor blades for men - 8 Refills 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 microfin skin guard that stretches the skin, and prepares the 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 razor blades are refills for Mach 3 reusable razors, perfect for those who love their Mach 3 razor and want to get the most out of it. It uses stronger-than-steel blades to cut through your hair easily as the razor glides along your skin without irritating. Perfect for the man who wants the best from his shave.