It feature 5 anti-friction blades. With lubrication before and after the blades, it shields skin from irritation while you shave. It features a razor handle with FlexBall technology which responds to contours and gets virtually every hair. 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 men's razors fit all Fusion5 blade refills.