EASY INSTALLATION INSTRUCTIONS FOR INSTALLING YOUR ENTRANCE HANDLE SET UPPER BORE DIAMETER HOLE LOWER BORE DIAMETER HOLE INSIDE BLT Ee INSTALLATION SCREW. INSIDE KNOB SINGLE CYLINDER OUTSIDE SINGLE HANDLE/ INSIDE WITH KNOB ® A-CYLINDER OUTSIDE HANDLE THE LOCK HAS BEEN ASSEMBLED TO FIT DOORS THAT WHEN FACING THE DOOR FROM THE OUTSIDE THE HINGES ARE ON THE LEFT. IF YOUR DOOR HAS THE HINGES ON THE RIGHT SIDE OF THE DOOR WHEN FACING THE DOOR FROM OUTSIDE.