Concerned your Gillette handle won't fit? All of our Mach 3 razor blades fit all Mach 3 razor handles. Up to 8 months of shaves per pack *vs previous Mach3 Directions To use Gillette Mach3 Razor Blades, first remove the old cartridge by opening the razor handle and pulling out the old cartridge. Gillette Mach3 8-pack (13 stores) see best prices now Get up to 15 shaves from each Mach3 razor refill. UPGRADED LUBRASTRIP for enhanced glide: An improved lubrication strip for extra glide (vs previous Mach3 The 3-blade razor refills for men are equipped with an improved lubrication strip that gives you extra glide*. The men’s razor refills with Lubrastrip feature stronger-than-steel blades that give you up to 15 comfortable shaves. Engineered with precision cut steel for up to 15 shaves per blade Product Description Gillette Mach3 men’s razor is a 3-bladed razor designed for a classic close shave . Close the razor handle. Buy All New Gillette Fusion Razor Blades acks / Gillette Mach3 Shaving... Prepare the razor for shaving by ensuring the blades are exposed and the lubrication strip is properly aligned. Men's Razor Blade Cartridges Gillette® Mach3® Razor Blade Refills - 8 Ct At Mach3 Razor Blades