Double Cylinder Deadbolts with Key on Both Side, Keyed Entry Door Lock Black Finish DLD102BK-Combo

• The deadbolt operated by key on both outside and inside;

• Material: Stainless Steel + Iron;

• 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);

Function Available:

• Entry-Keyed Alike: 1 key could open all locks, very convenient.

• Entry-individual key: Different key to open each lock.