Replacement for the original single-point Atrium and Atrium II Locks, 9-5/8" X 15/16" plated brass face plate with radius ends, mounting holes 8-3/4" on center, 2-1/4"W X 7"L X 5/8" T gear box, 1-3/4" (45mm) backset, 3-5/8" (92mm) center to center spindle hole to center of key cylinder, reversible latch for door swing.
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