Registration supports with reinforcement grooves for maximum load capacity. Made of powder-coated steel, scratch-resistant. Suitable for all books, especially for tall and heavy binders, books, or atlases. Rounded corners, no sharp edges. Magnetic. High-quality glossy surface. The weight of the books on the lower surface prevents anything from tipping over. Made with low pollutants and recyclable. Gentle: Rounded corners, no sharp edges. Magnetic: Attach notes or reminders, e.g., in open shelving systems. Environmentally friendly: Made with low pollutants, recyclable.