Weslock 7571 Keyed Entry Black Deadbolts Deadbolt Single Cylinder Weslock 7571 Premiere Single Cylinder Keyed Entry Deadbolt from the Molten Bronze Series Deadbolt activated by key inside and thumbturn inside Warranty: Limited Lifetime Mechanical Door Prep: 2 1 8" diameter door face hole 1" diameter latch hole Cylinder: 5 pin Automatic adjustment to door thickness of 1 3 8" to 2" Optional door thickness from 2" to 2 1 4"