LC2486 CTL, Brushed Chrome Finish, Heavy Duty Commercial Grade 2 Lever Storeroom Lever With Grade 1 Chassis, 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.