This HES part number 18103578 is a 310-2 3/4-F-12D-629 lever handle. It features a 2 3/4 inch backset and is designed for a 1 1/8 inch bore diameter.
The 'F' designation typically indicates a passage function, suitable for interior doors where locking is not required. The '629' finish usually denotes a satin stainless steel appearance, providing durability and a modern aesthetic.