Kwikset Tylo Entry Knob in Satin Chrome N/A Imported For use on exterior doors where keyed entry and security is needed Features an adjustable latch to fit all standard door preparations ANSI/BHMA grade 3 certified Includes adjustable backset to fit all standard door preporations Includes full lip strike For use on exterior doors where security and keyed entry is required Easy installation: adjustable latch fits 1-3/8 inch to 1-3/4 inch thick doors and 2-3/8 inch or 2-3/4 inch backsets Certified ANSI/BHMA Grade 3 Security Lifetime finish and mechanical warranty 10-year mechanical and 5-year finish warranties