B560 Series Deadbolts. Overall diameter: 2-1/2", Projection: 1-1/16", Cross Bore: 1-1/2". For residential and commercial. ANSI 156.5, 2001 Grade 2 certification. Double Cylinder, 1" Throw. Deadbolt, key cylinder both sides. 7/8" dia. housing. Face-plate: 1" x 2-1/4". Backset adjusts for 2-3/8" or 2-3/4".

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