Kwikset Entry Door Lockset, Lever Handle, Satin Chrome, Zinc, KW1, SC1 Keyway, Re-Key Technology: SmartKey, Residential Commercial/Residential, 3 Grade, Door Handing: Reversible, Thumb Turn Interior Locking, Includes: (2) Keys, Suitable for: Exterior Doors, Balboa Design, Keyed Key, 1 -Cylinder, 1-3/8 to 1-3/4 in Door Thickness, Adjustable Backset, 1 in Edge Bore Diameter, Rounded Corner Latch, Projection: 2-1/2 in