Abrz 2cyl deadbolt. Visual pack. B-series double cylinder deadbolt for exterior doors. Grade 1 security. Features new Snap-And-Stay hands-free installation. Deadbolt locked or unlocked by key from exterior or interior. Dual option latch includes: 1/4" round corner and 1" circular drive-in latch, adjustable backsets. Strike: 1/4" round corner full-lip strike. Meets BHMA (Builders Hardware Manufacturers Association) standards. Grade 1 door prep required for latch bolt while 2-1/8" required for deadbolt cross bore. Keyed alike in multiples of 4. Order full case of 4 for keyed alike cylinders. Lifetime mechanical warranty. Finish: Aged Bronze, Cylinder: Double, Keyway Type: 2-Side, Latch Plate: Round Corner, Backset: 2-3/8" or 2-3/4", Ext Access: Key