Master Lock WL0115 Wave Lever Keyed Entry Door Lock, Satin Nickel Features Master Locks exclusive silvabond antimicrobial finish to fight the spread of germs The wave style lever provides homeowners with a stylish alternative to a traditional knob style door hardware Backset adjusts from 2-3/8-inch to 2-3/4-inch to fit standard door preps Ten year mechanical warranty, meets ANSI Grade 3 standards Includes complete instructions for easy installation