Mechanical Lever Mortise Lockset Function Entrance Lockset Grade 1 Style SS19 Rose Lockset Finish Bright Stainless Steel Keyway Type Marks C Standards ANSI F21 UL Listed ADA Compliant Yes Backset 2 3/4 in Ligature Resistant Yes Item Antiligature Mortise Lockset Location Type Behavioral Health Detention Facility Number of Keys 2 Required Door Thickness 1-3/4 in Series SS19 Strike Type Curved Lip Strike