2-3/4" backset 9000/9100 series lock is standard for mortise application.
2-3/8" backset and T-Strikes standard for tubular application.
Standard tubular latch to auxiliary deadbolt spacing is 5-1/2".
Standard tubular latch to mortise bolt spacing is 2-3/4".
Surface mount is standard for all applications.
Hand hammering available upon request. Price on application.