Corbin Russwin UT5251 Entrance Function-Pre-Assembled Unit Lockset, Conventional Cylinder L4, Keyed Random,  Change Keys, 1 3/4 Thick Door, 2 3/4 Backset Standard With a 4 7/8" ASA Strike. Handed
The UT5200 lock has provided decades of service in some of the world's most prestigious buildings. Its pre-assembled, unitized construction is ideal for projects where installation costs are to be minimized.
Handing Specify hand. All functions are handed.
Door Thickness 1-3/4" (44mm) only.
Backset 2-3/4" (70mm) only.
Lock Chassis One-piece investment cast frame. Machined internal parts of steel, bronze and stainless steel. Zinc dichromate for corrosion resistance.