The Yale 5400 series is a grade 1 lock. Its used in high traffic buildings like schools, hospitals, office & any door that is used frequently.
You can use the 5400 series on classroom, entrance, storeroom, passage, privacy, closet & service doors that need grade 1 security.
Need a Grade 2 Lever Lock? Check out the Yale 5300 Series Locks.
Yale 5400 Series Catalog.
