The Double cylinder deadbolt 660 provides tough, effective protection at an affordable price. It is equipped with a full 1" throwbolt. This model locks and unlocks with a key from the outside and inside.
Door Thickness: 1 3/8" to 1 3/4" Backset: Adjustable Latch Crossbore: 2-1/8" Edge Bore: 1" Faceplate: 1" x 2-1/4" square corner standard Strikes 1" x 2-1/4" Keyway: KW1 Keyway standard Keying: KA3 standard Bolt: 1" throw