Probrico Ball Knob with Rosette Interior Privacy Door Knobs Black Finish 6 Packs Style:style 610 Single cylinder deadbolt operates with

Single cylinder deadbolt operates with a key on the exterior and a thumb turn on the interior

you can use them in contemporary/modern style room

or lock interior doors by inside thumb turn

Please feel free to contact us for any quality problem

Probrico Ball Knob with Rosette Interior Privacy Door Knobs Black Finish 6 Packs Style:style 610 Single cylinder deadbolt operates withFeatures: 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); Note : The square plate of the latch is unremovableUniversal handing; fits both right handed and left handed doors; Probrico new design, popular ball knob style with special rosette. Function Available: Privacy: with lock function but keyless, you could locked inside, but can't open