This is Probrico entry door deadbolt locks with key on one side, keyed alike function. You can lock the door inside by interior thumb turn, or by keys outside;?
Material: high quality metal, confirm with ANSI grade 3, lifetime warranty for any quality problem;?
Adjustable Backset - 2-3/8 inch or 2-3/4 inch (60mm or 70mm); Fits doors thicknes: 1-3/8 inch to 1-3/4 inch (35mm to 45mm);
All the mounting accessories are included, very easy to install;?
