Antique Lock And Skeleton Key Stock Photo - Download Image Now - iStock This item includes one of each skeleton key. BEST USE - on antique french doors or other antique door hardware. Notch tip is intended for lever locks and flat tip is intended for warded locks. Antique Key Lucky Line s-Notched Tip Skeleton Key BEST USE - on antique french doors or other antique door hardware. GENERIC CUTS - made to fit most antique door locks. MATERIAL - made with brass plated... FLAT TIP - 10 Per Pack - Intended for a warded lock—With a warded lock, a skeleton key lacks interior notches to interfere with or correspond with the wards, or obstructions, thereby allowing it to open the lock. Lucky line notch tip and flat tip Skeleton Key can be used with French doors and other antique door hardware. Skeleton Keys | Lucky Line Products MATERIAL - made with brass plated zinc that will not bend under continuous use.