Century Single Cylinder Handleset and Right Hand Merano Lever, Satin Nickel (F60 CEN 619 MER RH) Active Handle set includes handle set grip, interior knob or lever with latching and functioning deadbolt Use with 1-5/8-Inch to 1-3/4-Inch door and adjustable 2-3/8-Inch to 2-3/4-Inch backset Self-aligning screw holes make installation easy and hassle-free Patented adjustable bottom thru-bolt moves up or down 1-1/2-Inch to fit a variety of preexisting holes 1-Inch latch/bolt on deadbolt and strike/door frame reinforce with 3-Inch screws offer maximum kick-in resistance Patented adjustable bottom thru-bolt moves up or down 1-1/2-Inch to fit a variety of pre-existing holes 1-Inch latch/bolt on deadbolt and strike/door frame reinforcer with 3-Inch screws offer maximum kick-in resistance Latch components adjustable for 2-3/8-Inch or 2-3/4-Inch door preps BHMA Grade 1 deadbolt