Mechanical Lever Cylindrical Lockset Function Storeroom Lockset Grade 2 Style QTL Summit Lockset Finish Satin Chrome Keyway Type Schlage SC4 Key Type Different Standards ANSI ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2-3/8 in or 2-3/4 in Ligature Resistant No Handle Material Pressure Cast Zinc Includes (2) Keys Item Lever Key Material Nickel Plated Lockset Performance Strength Medium Duty Number of Keys 2 Number of Pins 6 Required Door Thickness 1-3/8 in to 1-3/4 in