Schlage F10 PLY 622 CAM Camelot Collection Plymouth Passage Knob, Matte Black Use with 1-3/8 in. to 1-3/4 in. door Works with right and left swing doors For more than 95 years, Schlage has offered durable door hardware in a range of unique style combinations to express any personality. Lock and finish backed by limited lifetime warranty. Guaranteed to fit on existing, standard pre-drilled doors Always unlocked for ease of entry Easy installation with Phillips screwdriver. Self-aligning screw holes make installation easy and hassle-free. Universal latches slide easily into place and require no tools or manual adjustments