The Gillette Fusion5 ProGlide 5-Blade Men's Razor Replacement Razor has a friction-reducing coating for a shave you barely feel. The precision trimmer on the back is useful for hard-to-reach areas such as sideburns and the area above the upper lip. Improved lubrication strip with even more lubrication components (compared to Fusion5). One replaceable cassette is enough for one month of shaving. Fusion5 ProGlide men's razor replacement cartridges fit all Fusion5 and Fusion5 Power razors. Gillette razors that used to be called Fusion ProGlide.?