Perfect Fit for Every Door:Our privacy door knobs interior are designed to fit a wide range of doors. With a 2-1/2” x 2-1/2” mounting plate for secure installation and an adjustable deadbolt that works with 2-3/8” (60MM) or 2-3/4” (70MM) backsets, they accommodate door thicknesses from 1-3/8” (35MM) to 1-3/4” (45MM).
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