Gillette Mach3 Turbo Cartridges, 4 Count Closer shave, without all the irritation (vs. Sensor2 Plus disposable) Feels better than a new disposable, even on the 10th shave (overall preference vs. Sensor2 disposable) Gillette Mach3 Turbo razor cartridge refills feature sharper, Turbo cutting blades (first 2 blades vs. Mach3); Long-lasting lubrication strip (vs. Sensor2 disposable) provides an incredible glide 2x more Skin Guard Fins (vs. Sensor3 disposable) for a smooth Shave; Fits all Mach3 Razors Gillette Mach3 Turbo men’s 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.