This is the RH outside door handle w/plate for a commercial steel door that uses a mortised lock set . There are several different manufacturers and different types. You will have to look closely at the picture and description to determine if this is the one you'll need. Schlage L Series L full face escutcheon Schlage S Series Neptune 626 Satin Chrome (US-26D)
measurements are 8"x2 1/4", plate is 1/2", center to center of handle to cylinder is 3 5/8" this is the outside for a handed door with hinges on the right looking at the door from the outside. Sorry I'm Not sure if it can be reversed. As Pictured stk#(879)A17,B7
