Mechanical Lever Mortise Lockset Function Dormitory Lockset Grade 1 Style 45H Rose Trim Lockset Finish Satin Chrome Key Type Different Standards ANSI ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No Features Curved Return Lever Style Left Handed Includes Lever Trim and Component Kit Item Mortise Lockset Key Material Nickel Silver Location Type Commercial Institutional Residential Number of Keys 2 Required Door Thickness 1-3/4 in Series 45H