Precision trimmer. Anti-theft. 4 cartridges up to 4 months of shaves. Upgraded precision blades. Precision trimmer. Microfin skin guard. www.Gillette.com. www.pg.com. Comments? 1-800-Gillette. www.Gillette.com. All Fusion 5 Cartridges fit all fusion 5 handles: Gilette Fusion 5 proshield; Gillette Fusion 5 Proglide; Gillette Fusion 5.