Mechanical Lever Cylindrical Lockset Function Classroom Lockset Grade 2 Style QTL Summit Lockset Finish Satin Chrome Key Type Keyed Different Standards ANSI ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2-3/8 in or 2-3/4 in Ligature Resistant No Cylinder Core Type SFIC Not Included Handle Material Pressure Cast Zinc Item Lever Lockset Performance Strength Medium Duty Number of Keys 0 Number of Pins 6 Required Door Thickness 1-3/8 in to 1-3/4 in Series QTL200