KC2386 EM, Satin Stainless Steel Finish, Heavy Duty Commercial Grade 2 Ball Knob Storeroom Lockset, Storeroom Lock Is Always Locked From The Outside & Always Unlocked From The Inside, 400,000 Cycles, Brass 6 Pin Cylinder, 2-3/4" Backset, 1/2" Throw Latchbolt With "T" Strike, 161 Prep, Schlage "C" Keyway With 2 Keys, Non-Handed, Fits Doors 1-3/8" - 2" Thick, UL Listed For "A" Label, 3 Hour, Single Swing Doors, 4'0" x 8'0", Complies With ANSI A156.2 Series 4000.