Olympus 721DW IC Core Deadbolt Cabinet Drawer Lock BEST SFIC 1 1 4" Cylinder Length Oil Rubbed Bronze Optional Key Retaining Optional High Security Grade 1 High Security:No High Security Function N22AL12 N24BL52 N24CL52 N22AL12 N24BL52 N24CL52 N43AL52 N43AL52 B N44CL52 N44CL53 N51BL22 N51BL23 N53AL52 N64CL52 N64CL53 N82AL32 N84CL52 N84CL54 Interchangeable Clasps Function Deadbolt cabinet drawer lock Reversible Field reversible between door and drawer functions Retrofits Best 3L High Security Option For Sargent XC or Marks high security cores The company pioneered rekeyable cabinet locks and holds numerous North American patents speaking to those inventions