Dorex T2F53 C15 Flat Medium-Duty Entry Lever – Satin NickelT2F 53 15 Entry function suitable for office and storage room applications Architectural quality for medium duty commercial applications High quality satin nickel finish For 1 3 8 to 2 door thickness 2 3 4 backset Optional backsets by special order: 2 3 8, 3 3 4, 5 Non handed field reversible Removable thru bolt mounting posts Lever length is approximately 5 1 8 3 5 16 rosette diameter 1 2 stainless steel latch throw Concealed mounting screws Schlage