ANSI Grade 2; ADA Compliant; UL 3 Hour Fire Rated; Adjustable Backset 2 3/8 Inches Or 2 3/4 Inches; The Outside Lever Is Locked By Push Button Inside And Unlocked By Emergency Release Outside; Inside Lever Is Always Unlocked Providing Emergency Exit; Full Length Lever Handle With 3/8 Inch Return; 5-Year Mechanical And Finish Warranty; Fabricated With Die Cast Zinc Levers And Steel Mechanism; Satin Chrome Finish.