Tough Metal Construction Made from selected thick steel with advanced die cutting processing, strong and heavy enough to keep all of your books / CDs / DVDs clean and upright. 17 x 12 x 15 cm (6.7 x 4.7 x 5.8 in) letterpresses.Non-slip base With 3 non-slip foam pads on the underside of each book holder to keep the book supports in place, you can move your book supports without scratching your desk. You can also use it to remove one element without moving the others.Wide applicability The slim design does not take up valuable space on your shelf or desk. It is designed for books, documents, magazines, CDs, DVDs, VIDEOs, cookbooks and other things and is perfect for organizing libraries, offices, schools, kitchens and homes.L-shape stands L-shape make books more stable, not easy to slide, give your books maximum balance, perfect for heavy or large books, decorate your study and keep your books organized and in view.Basic but effective design Classic black without a logo, smooth and flat lacquer surface ensure that your shelves or books do not have any scratches or scuff marks and that round corners are safe and do not injure your hands.