PRODUCT INTRODUCTION: Keyed Entry Door Knob:Keyed entry door knobs are keyed on the exterior and turn button on the inside that can quickly and easily lock or unlock the latch mechanism. Single Cylinder Deadbolt:Single cylinder deadbolt set is locked/unlocked with a key from the exterior and locked/unlocked from the inside of the home with a thumb turn. Single cylinder lever set is by far the most popular function of handle set. Double Cylinder Deadbolt:Double cylinder deadbolt sets have a keyed lock on both sides of the lever set. This means that to exit or enter the door you must have a key to unlock the door. Some people use double cylinder lever sets on glass doors where they are concerned that someone may be able to break the glass and unlock the door from the inside. PRODUCT FEATURES: --Type: Key Entry Door Knob and Single Cylinder Deadbolt Set --Material: Stainless Steel --Hardware Finish: Oil Rubbed Bronze --Handing: Left, Right, Universal --Backset Size: Adjustable 2-3/8-in and 2-3/4-in --Fits Door Thickness: 1-3/8-in to 1-3/4-in --Certification: ANSI Grade 3, Exceeds 200,000 cyles --Warranty: Lifetime finish and mechanical guarantee PACKAGE INCLUDES: * Entrance Knob door handle (Reversible) * Single Cylinder Deadbolt * Installation Instructions *Keys for the Knob & Deadbolt * Keyed Alike (same key for top and bottom lock)