Wakefield Single Cylinder Handleset and Andover Knob, Satin Nickel (F60 WKF 619 AND) Use with 1-5/8 in. to 1-3/4 in. door Adjustable throughbolt can move up and down 1-1/2 in. to fit a variety of pre-existing holes Self-aligning screw holes make installation easy and hassle-free Knob design pairs well with traditional styles like Palladian windows and arches while finish coordinates easily with plumbing and lighting fixtures