Gillette Mach3 Turbo mens razor blades / cartridge refills feature 3 stronger-than-steel blades that stay sharper longer. With sharper, Turbo cutting blades (first 2 blades vs. Mach3), a Mach3 Turbo blade refill is engineered to last 15 comfortable shaves. These Gillette razors feature a long-lasting lubrication strip that provides an incredible glide. Mach3 Turbo has a microfin skin guard that stretches the skin, and prepares hair to be cut. Mach3 Turbo mens razor blade refills fit all Mach3 razors.