The several rings binder mechanism replacement kit is made of sturdy metal material, and practical for use. The binder rings mechanisms are meticulously made, and the color is not easy to peel off. Very suitable for binding types of the documents invoices, personal planners, etc. Features -Color:Silver -Material:Metal -Size:29.50X2.00X2.00cm/11.59X0.79X0.79in -Size:22.00X2.00X2.00cm/8.65X0.79X0.79in -Size:17.50X2.00X2.00cm/6.88X0.79X0.79in -Size:12.50X2.00X2.00cm/4.91X0.79X0.79in -Metal binder ring mechanisms are not easy to break, and reliable, which can be applied for a long time. -These binder mechanisms fit for notebook binders, bringing of convenience to your daily life. -Enough quantity binder mechanisms, which are sufficient to fit your daily work, office use and replacement. -Several rings 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: 2 x A4 4 rings binders 2 x A5 20 rings binders 2 x A6 6 rings binders 2 x 2 rings binders