This is a right-handed diecast casement locking handle with an offset base found on many contemporary casement windows (as viewed for the inside looking out). The mounting holes are positioned offset of the centerline down the base placing them closer to the window frame edge or to be more exact, 13/16 inch from the tip of the lock to the center of the mounting holes. This handle has an a bronze finish with mounting holes for the handle assembly and the keeper at 1-1/2 inch apart.
This casement handle and keeper are constructed from die cast and come finished in bronze. It features 1-1/2 in. hole centers that are drilled countersunk for #10 flat head screws. This type of handle is common on metal and wood framed windows.