The MLX02SR 3 Is a Arrow Cylindrical Lock The MLX Series is the perfect solution for replacing or upgrading lockets in commercial applications. Privacy Lever Lock, S Lever, R Rose, Bright Brass Finish.The Arrow MLX Series is a robust Grade 2 lockset featuring a Free Wheeling Lever for abuse resistance, two screw lockset install for quick installation and a 10 Year Mechanical Warranty. The perfect solution for replacing or upgrading lockets in commercial applications.