Mechanical Lever Mortise Lockset Function Passage Lockset Grade 1 Style 8200 Curved Lockset Finish Oil Rubbed Bronze Key Type Not Keyed Standards ANSI A156.13 Series 1000 ASTM F1577-95B Paragraph 6.2 BOMA International 4.13.8 California State Reference Code ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No Item Heavy Duty Mortise Lockset Key Material Nickel Silver Location Type Healthcare Institutional Required Door Thickness 1-3/4 in