Door Lever Lockset, Style Curved, Function Classroom, Handle Material Zinc, Satin Chrome Finish, Strike Type Curved Lip Strike, Strike Dim. 1-1/4 In. x 4-7/8 In., Fire Rated 3 hr., Grade 1, Series GT, Location Type Commercial, Backset 2-3/4 In., Cylinder Yes, Pins 0, Required Door Thickness 1-3/4 In. to 2-1/4 In., Keyway Type No Core, Keying Keyed Different, For Use With Wood, Steel Doors, Standards ANSI F110, BHMA A 156.2, Grade 1, UL Listed