ANSI Grade 2; ADA Compliant; UL 3 Hour Fire Rated; Schlage SC4, 6-Pin Keyway; The Outside Lever Is Locked Or Unlocked By Key Inside Lever Is Always Unlocked Providing Emergency Exit; Full Length Lever Handle With 3/8 Inch Return; Ships With A Fire Rated 2 3/4 Inch Backset Latch; 2 3/8 Inch Backset Latch (Product # CL60MM) Sold Separately; Fabricated With Die Cast Zinc Levers, Steel Internal Mechanism; Satin Chrome Finish.