Stanley National Hardware S819-173 CD7069 Narrow Sash Lock in White Authorized Replacement from National Hardware Stock #N248-468 Narrow Sash Lock For Double Hung Windows To Secure And Reduce Rattling Ideal For Use On Vinyl Windows Mounting Screws Included Narrow sash lock for double hung windows to secure and reduce rattling Ideal for use on vinyl windows Narrow style design Made of zinc die-cast steel; white finish Lock: 2-13/16-inch by 1-inch (W x H); Strike: 7/8- by 5/16-inch (W x H)