Andersen&reg; Sash Lock & Keeper in Stone Color (1968 to Present) Works with 400 Series Tilt-Wash Double windows manufactured from 1994 to Present. Works with Perma-Shield Narroline Double-Hung (non-tilt) windows manufactured from 1968 to Present. Genuine Andersen Stone sash lift availble to match, search for: B00WIVFP68 This composite or plastic sash lock, keeper & screws replaces previous vintage metal lock and keeper. Andersen has a new metal version available on Amazon, search for: "B00XLVSKOS" Genuine Andersen White sash lock and keeper is available, search for: 1630029