MLX12SR 26D CS Arrow Cylindrical Lock Storeroom Lever Lock, S Lever, R Rose, Schlage C Keyway, Satin Chrome The 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.