Less Feel of Irritation* * Mach3 razors vs. Gillette CustomPlus3. Refillable - Fits all Mach3 cartridges. Our Most Advanced Mach3 Razor. 3 blades with advanced coating designed to give Mach3 best first shave* * Lower cutting force than Mach3. Powered Vibrations for Great Comfort. Mach3 Pivot Technology redistributes excess pressure away from the blades. All Mach3 cartridges can be used with all Mach3 razors.