Round Ball Knob with Square Rosette, Interior Privacy Door Knobs Satin Nickel DLS07SNBK

Features: Confirm with ANSI Grade 3, Exceeds 200,000 cycles; 2-3/8" or 2-3/4" (60mm or 70mm) adjustable backset, fits doors thickness: 1-3/8" to 1-3/4" (35mm to 45mm); Dimensions : Knob Diameter: 2.09"(53mm) , Rosette Diameter: 2.56"(65mm). Note : The square plate of the latch is unremovable Universal handing; fits both right handed and left handed doors; Probrico new design, popular round ball knob style with special square rosette. Function Available: Privacy: with lock function but keyless, you could locked inside, but can't open outside as there is no key. Usually for Bedroom/Bathroom door. (could open with coin in emergency)