Details
Fresh blade. Better shave. For an incredibly close and comfortable shave - even when shaving against the grain. All Mach3 cartridges fit all Mach3 razors. Gillette. The best a man can get.
Directions
For optimal performance, keep your razor fully powered. Replace the Duracell AAA battery ever 3-6 months.
Always refer to the actual package for the most accurate information