Value Set: This binding machine set includes 1 6-hole binder machine, 1 single-hole binder machine, 20 colorful 5-hole binder combs and 50 colorful plastic binder rings, sufficient choices to meet your binding needs. Binding Size: The hole spacing of this 6-hole binding machine is 9.5 mm and the hole diameter is 5.5 mm; the hole diameter of the single-hole binding machine is 6 mm, which can handle 2-6 sheets of paper at the same time. Easy to Use: This 6-hole spiral binding machine comes with A4/B5/A5 punching standard line design, which can be made according to your paper size. A4/30 holes, B5/26 holes, A5/20 holes, the punching is accurate, uniform. Versatile Binder Rings: These binder combs and binder rings can be flexibly bound, which is very suitable for organizing documents, materials, , etc. Multi-color design, beautiful, can also be used as identification. Widely Applicable: This manual binding machine set can be widely used in loose-leaf , loose-leaf books, paper cards, planners, memos, recipes, etc. It is a practical and necessary helper for home, school and office. Quality Service Your satisfaction is our greatest concern Specification Product name: 72 pcs binding machine set Material: acrylic + metal + ABS Packing List Color: Mixed Color Package Contents: 1 x hole punch binding machine 1 x 1-hole punch binding machine 20 x multi-color 5-hole binder combs 50 x multi-color small binder rings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.