Gillette Fusion 5 Power Razor Cartridges - For Men, (Pack of 4 Cartridges)Gillette Fusion Power Box of four replacement cartridges for the Gillette Fusion razor. It is compatible with all Fusion razor handles. It has a 5 blade shaving surface + 1 precision trimmer for a comfortable, precise shave. This creates a shaving surface that distributes the shaving force across the blades and includes a lubra strip which fades from green to white when shave conditions have been reduced.