KC2381EMP, Satin Stainless Steel Entry Ball Knob Lock, Commercial Grade 2, Push Button Interior, 400,000 Cycles, Cylindrical, 2-3/4" Backset, T Strike, SCC Keyway, 6 Pin Cylinder, 2 Keys Included, Keyed Different, UL Listed, Visual Pack, 1 Year Limited Warranty, See # 574-954 Privacy, #574-947 Passage, Push Button Interior, Lock Automatically Unlocks When Handle Is Turned.