Plymouth Single Cylinder Handleset and Georgian Knob, Bright Brass (F60 V PLY 505 GEO 605) Use with 1-5/8 in. to 1-3/4 in. door Adjustable throughbolt can move up and down 1-1/2 in. to fit a variety of pre-existing holes Self-aligning screw holes make installation easy and hassle-free Knob design pairs well with traditional styles and crown molding while finish pairs well with vintage looks and colonial designs Handleset features a high security deadbolt, keyed on one side and a decorative lower grip ANSI/BHMA Grade 1 Security Deadbolt - Meets the highest industry standards Patented adjustable through bolt that moves up and down 1-1/2 to fit a variety of pre-existing holes, eliminating need for patching and re-drilling Metal construction adds strength,security and durability Adjusts to fit all standard door preps