Prime-Line Vintage Interior Door Lock Set, Brass Knobs, 2-1/2 in. Backset

Ideal Use: Replaces damaged, missing, or worn vintage-style surface-mounted locksets on antique and period-style interior doors | Dimensions & Compatibility: Fits interior doors 7/8 in. to 2-3/16 in. thick; features a 2-1/2 in. backset and is designed for right-hand, swing-in door applications with reversible handing | Materials & Components: Constructed from black painted cast steel with brass-plated steel knobs and rosettes; includes lock case, latch bolt, deadbolt, skeleton keys, installation hardware, and mounting components | Key Features: Vintage-inspired design, traditional skeleton key locking system, decorative vertical trim, keyed-alike locks, and dual latch bolt and deadbolt functionality | Fit Guidance: Confirm door thickness, backset measurement, door handing, and mounting dimensions against your existing hardware and review the line drawing before purchasing, as compatibility is not universal