Gillette Fusion Power men’s razor blade refills each have 5 precision blades spaced closer together (vs. Mach3) for less feel of irritation and incredible comfort. Fusion Power blades have a PowerGlide™ blade coating that provides incredible glide and comfort. Each blade refill also has a Precision Trimmer on the back, great for edging tough areas such as under the nose and sideburns. One razor blade refill equals up to one month of shaves. These Fusion Power blade refills can be used with any Fusion razor handle.