Features:Using tipsYou simply unscrew the scrapbook and add these extenders on to the existing posts by screwing on. Please check the size carefully and make sure that they work with your scrapbook before using.Compatible with many albums: This album extension post is compatible with most post-bound albums, compatible with Pioneer photo albums and scrapbook albums.Specifications:Size:as shown in the pictureColor: silverMaterial: copperPackage includes: 20 x Album-scrapbook extension postsNote:Manual measurement, please allow slight errors on size.The mention of these brands and any related model above is only for purposes of expressing compatibility, not for trademark, and our trademark is Hotop.