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:Metal -Size:18.00X2.00X2.00cm/7.07X0.79X0.79in -Suit for A6 size loose leaf notebook or other A6 size planner with a broken ring binder mechanism. -Lightweight and convenient, portable and smooth, attractive and reasonable, comfortable to use. -They can be closed and expanded, easy for you to add or remove pages, which is very convenient -These binder mechanisms can make the perfect addition to your loose leaf notebook DIY making -The ring binder mechanism can be applied to sort out small documents, DIY loose leaf book, etc. You can buy professional and practical products at an </div Package list: Ring Binder Mechanism