Features: Saw-proof, hardened steel insert to prevent tampering Fronts are adjustable for beveled door conditions Adjustable backset feature to accommodate 2-3/8" or 2-3/4" backsets For Estate Collection deadbolts and handlesets only Specifications: Backset: 2-3/8", 2-3/4" Front Length: 2-1/4" (57 mm) Front Width: 1" (25mm) Projection: 1" (25mm)