TOOLBASIX 5764SS-ET-BP Tulip Entry Lockset, Stainless Steel,TOOLBASIX,5764SS-ET-BP" /> Finish : Satin Stainless Steel, Keying : K3 Radius Corner Strike - 4-Way Adjustable Latch Backset : Adjustable 2-3/8" to 2-3/4". Strikes : Full lip 1/4" radius Fits 1-3/8" to 1-3/4" doors Both knobs lock and unlock by key outside or turnbutton inside. For keyed exterior doors