Gillette Fusion5 ProShield men's razor blade refills feature 5 anti-friction blades for a shave you barely feel. With lubrication before & after the blades, it shields skin from irritation while you shave. The Precision Trimmer on the back is great for hard-to-reach areas and styling facial hair. One razor blade refill equals up to one month of shaves. Fusion5 ProShield mens razor blade refills fit all Fusion5 & Fusion5 Power razors. Gillette razors, formerly called Fusion ProShield.