Simplex 8100 - Right Hand Reverse Mechanical Pushbutton Lever Mortise Combination Entry LockKaba Simplex RR8146S26D Right Hand Reverse Mechanical Pushbutton Lever Mortise Combination Entry Passage Lockout with Key Override Schlage Prep Satin Chrome Finish Fully Mechanical Lock Eliminates the Material and Labor Expense of Battery Replacements Single Access CodeOne Easy to Manage Code for All Users Lock is Easily Programmed Via Keypad Without Removing Lock From the Door Vandal Resistant, Solid Metal Pushbuttons Factory Handed; Not Field