Lever, Medium Duty, Lockset Function Entrance, Style Angled, Handle Material Zinc, Satin Chrome Finish, Strike Type ASA Strike, Strike Dim. 1-1/4 In. x 4-7/8 In., Fire Rated 3 hr., Grade 2, Series RL, Location Type Commercial, Backset 2-3/4 In., Cylinder Core Type Not Included, Number of Pins 6/7, Required Door Thickness 1-3/4 In., For Use With Wood, Steel Doors, Features THERL Series Has Been Enhanced to Offer Removable Through Bolts and A Wide Variety of Designs, Finishes and Functions