This combo comes with (4) NuSet Kwikset key way entry door knobs. All (4) door knobs come keyed differently meaning each knob will have it"s own different set of keys for entry. They come with an adjustable 2-3/8" to 2-3/4" backset and fit standard door thickness 1-3/8" to 1-3/4". Sleek rounded front and the straight forward look of the entry door knob makes it versatile of any door way. Comes with mounting screws and installation instructions and template.