- Elements by Weiser® provides an expanded choice styles and finishes at an affordable price. This single cylinder deadbolt can be locked or unlocked by a key on the outside, or the turn piece on the inside. The Lifetime Polished Brass finish adds to the traditional look and feel of the product and makes a classic statement.- For use on exterior doors where keyed entry and security is needed- Featuring SmartKey® re-key technology; re-key the lock yourself in seconds in 3 easy steps- Features an adjustable latch to fit all standard door preparations- ANSI/BHMA grade 3 certified