Kwikset

Keyed Entry (Single Cylinder) Function: This lever set is locked and unlocked from the exterior using a key and can be locked and unlocked from the interior using the push button located on the lever. Perfect for securing entrances, side doors, and anywhere else that needs a bit more security. Features: BHMA Security Grade 2 Crafted from solid zinc Designed for left or right handed doors Easy to install on standard doors Includes a 6-way adjustable latch to fit all standard doors Lifetime mechanical and finish warranty ADA Compliant Strengthened springs to ensure the lever stays level over time Key Product Attributes: BumpGuard™: Lock bumping is an attack technique used to defeat conventional pin and tumbler locks. Kwikset's BumpGuard™ component utilizes a patented side locking bar which replaces the traditional pin and tumbler design providing protection against lock bumping. SmartKey®: This technology allows you to re-key your lock in seconds with 3 simple steps and features stainless steel racks, pins, and side locking bar for increased strength and security. Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-1/2", 1-3/4", 1-3/8", 1-5/8" Handing: Reversible Latch Faceplate: Round Corner, Square Corner, Drive-InAdditional Functions: 157SYLSQT: Single Dummy Door Lever 156SYLSQT-S (This Model): Single Cylinder Door Lever Set with SmartKey Technology 154SYLSQT: Passage Door Lever Set 155SYLSQT: Privacy Door Lever Set