Adjustable Bookends for Heavy Books, Document Holder for Desk, Shelf, Office, Stationery, Extends up to 19" (Black), Adjustable and expandable bookend: This adjustable bookend is flexible and can be resized according to the number of books. Exceptional retractable length from 4" to 19.8" to meet various demands. Heavy Duty Bookends: Constructed of heavy-duty steel and powder coated, these bookends are scratch and chip resistant. splinters. The stable base is not easy to slip, and the quality is excellent. Perfect magazine organizer: adjustable bookends are used to hold magazines, books, DVDs, games, catalogs, binders , family albums, and more. Stable and strong: The stable base ensures that the books stay in place. Enough to hold oversized and heavy books without anything falling out. Initial dimensions: 14.5 x 18.8 x 9.9cm. Longest retractable size 14.5 x 18.8 x 48.3 cm. Number of pieces delivered: 1 Color: Black lucky meet Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be some difference of color, the actual object received shall prevail.