Mechanical Lever Cylindrical Lockset Function Passage Lockset Grade 1 Style 9K Curved Lockset Finish Satin Chrome Keyway Type None Key Type Not Keyed Standards ANSI ADA Compliant Yes Lockset Fire Rating 3 hr Backset 2 3/4 in Ligature Resistant No Cylinder Core Type Interchangeable Core Features Cylindrical Chassis Internal Steel Mechanism No Exposed Keeper Hole Through-Bolt Mounting Studs Versatile Trims For Use With Swinging Doors Handle Material Zinc