Gillette Fusion5 men's razor blade refills each have 5 precision blades spaced closer together (vs. Mach3) for less feel of irritation and incredible 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 Fusion5 blade refills can be used with any Fusion5 razor handle. Features include: 5 precision blades, helping reduce pressure per blade for a comfortable shave (vs. Mach3) Precision Trimmer on back great for edging tough areas (nose and sideburns) 1 razor blade refill equals up to one month of shaves Fits with any Fusion5 blade refills