Mechanical Lever Mortise Lockset Function Classroom Lockset Grade 1 Style ML2000 Right Angle Round Lockset Finish Satin Chrome Keyway Type Corbin L4 Key Type Different Standards ANSI A156.13 Series 1000 ASTM F1577-95B Paragraph 6.2 BOMA International 4.13.8 California State Reference Code ADA Compliant No Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No Item Heavy Duty Mortise Lockset Key Material Nickel Silver Location Type School Number of Keys 2