Mechanical, Lever, Cylindrical, Lockset Function Storeroom, Lockset Grade 1, Style 9K Curved, Lockset Finish Satin Chrome, Keyway Type BEST, Key Type Different, Standards ANSI, Yes, Lockset Fire Rating 3 hr, Backset 2 3/4 in, Ligature No, Cylinder Core Type Interchangeable Core, Features Heavy Rose Liner Material, Innovative Design, New Zinc Hubs, Strong Retractor Spring, Strong Through-Bolt Mounting Studs, Versatile Applications, For Use With Swinging Doors