Dorex FH82 C26D Medium-Duty Double Storeroom Institution Lever – Satin ChromeFH82 C26D Double storeroom institution function suitable for partition walls and institutional applications Cylinders on both sides always locked momentarily unlocked by turning key Architectural quality for medium duty commercial applications High quality satin chrome finish For 1 3 8 to 1 3 4 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