5 anti-friction blades in the Gillette Fusion5 Power men's razor blade replacements provide a hardly noticeable shave. The Precision Trimmer on the back is excellent for styling facial hair and reaching hard-to-reach places. When you aren't getting the best shave possible, the lubricating strip starts to fade. A razor blade refill can provide up to one month's worth of shavings. All Fusion5 & Fusion5 Power blades fit the Fusion5 Power men's razor refills. razors made by Gillette, formerly known as Gillette Fusion.