These binder rings mechanisms provide extra strong hold without slipping or releasing of your documents invoices. Made with fine craftsmanship, and sturdy for a long time. Great for artists, students, painters, office workers and other people in need. Features -Color:Silver -Material:Stainless steel -Size:22.00X2.00X2.00cm/8.65X0.79X0.79in -Metal binder ring mechanisms are not easy to break, and reliable, which can be applied for a long time. -These 6-ring binder mechanisms fit for size binders, bringing of convenience to your daily life. -Enough quantity of binder mechanisms, which are sufficient to meet your daily work, school, office use and replacement. -6-ring loose-leaf binder mechanism, make your book firmly, sturdy and not easy to fall off. -They can be simply expanded and closed easily, easily add or remove pages, convenient and flexible to use. Package list: 25 Binders