Description Manufactured with premium and safe iron material, practical and durable for long-lasting use. These book binder ring mechanisms can meet your loose leaf book DIY needs. Well polished with a smooth surface, they will not hurt or scratch your hands. Features - Color: Silver - Material: Iron - Size: 28.00 x 2.50 x 2.00 cm / 11.00 x 0.98 x 0.79 in - The loose leaf binder mechanisms are made of sturdy iron, durable and not easy to break - Includes binder ring mechanisms suitable for A4 size loose leaf books, sufficient quantity for multiple uses - Round rings can be opened and closed for adding or removing pages, securely holding pages in place - Designed for everyday use, ideal for organizing projects, presentations, DIY loose leaf books, and more - Suitable for various occasions such as office, school, and home use, providing a convenient and pleasant experience Packing List 2 x Ring Binder Mechanisms