Probrico keyed entrance door lock knobs, each lock come with 3 keys; You can lock/unlock doors by exterior keys, or lock/unlock inside by interior thumb turn. All the mounting accessories are included, very easy to install;?
Adjustable Backset - 2-3/8 inch or 2-3/4 inch (60mm or 70mm); Fits doors thickness:1-3/8 inch to 1-3/4 inch (35mm to 45mm);
Rose Diameter: 65mm/2.5inch; Flat Ball Knob Diameter: 57mm/2.25inch;?
Confirm ANSI grade3, lifetime warranty for any quality problem.?
