Organize your books and files with ease using the Havendro Metal Retractable Bookend. Crafted from high-quality metal with durable rivet-fixed construction, this bookend is built for long-term use. Its retractable design allows you to freely adjust the length based on the thickness and quantity of your books or folders. Featuring three compartments, it's perfect for categorizing different types of books and files, helping you save space and keep your study or office tidy. Suitable for bookcases, bedside tables, schools, and libraries. Product Summary: Havendro bookends, metal retractable bookends, heavy duty bookends, office stationery, school supplies, book organization, space-saving storage, black bookends.