Mechanical Push Button Lockset, Handle Type Winston Lever, Function Entry with Key Override, Key Override Options Replaceable Core Corbin/Russwin, Hand Factory Left, Field Reversible, Finish Satin Chrome, Door Thickness 1-3/8 in to 2-1/4 in, Keypad 5 Button, Vandal Resistant, Backset 2-3/4 in, Grade 1, ADA Compliant Yes, 3 hr Fire Rated, Case Material Solid Cast Zinc, Series 5000, Latch Length 1/2 in, Max. User Codes 1, Standards ANSI/BHMA A156.2, Weather Resistant Yes