Prime-Line Products VERT BIT Rim Prime-Line E 2437 Vertical Trim Vintage Set &ndash; Cast Steel Construction, Brass Plated Knobs, Antique Skeleton Key Locking System &ndash; 2-1/2&rdquo; Backset, Surface Mounted on Right-Hand Swing-in Interior Doors, Pack of 1 REPLACE ANTIQUE LOCK SETS  The vintage look of the Prime-Line E 2437 Vertical Trim Lock Set is a great match for the old lock sets found in period homes and an economical replacement for broken knobs and locks. EASY INSTALLATION  Installation is quick and easy, and all necessary parts are included. FOR RIGHT SIDE INTERIOR DOORS  The E 2437 lock set is for use on right-hand, swing-in interior hung doors. Handing is determined from facing the door in the interior side of the door. MATCHES ANTIQUE HARDWARE - The beautiful vertical trim lock set is constructed of durable black painted cast steel with brass plated steel knobs and rosettes. It is designed for surface-mounted installations on interior doors, and it features an antique skeleton key locking system. KEYED ALIKE  The Prime-Line 2437 vertical trim lock set includes a latch bolt and deadbolt with all locks keyed alike. Spare keys for these locks are available by special order from the manufacturer.