SOLID BRASS: Solid forged brass construction ensures sharp detailing, superior weight, and the elevated quality expected in premium door entry hardware. EASY INSTALLATION: Fits standard 1 3/4" thick doors with pre-drilled bore holes with a 2-3/4" backset. Also comes with with pre-mounted knobs or levers for added convenience with installation. KEYED ALIKE: When multiple door entry sets are purchased in a single order, all will be keyed the same for easy convenience. BOX CONTENTS: Exterior and interior trim deadbolt, deadbolt latch and kit, exterior and interior tall plate trim, passage latch and kit, screws to install and two keys. WARRANTY AND CRAFTSMANSHIP: Expertly hand-assembled in the USA, each set is backed by a lifetime mechanical warranty and 10-year finish warranty for lasting quality and peace of mind.