The hand-push sliding binder can be easily placed anywhere on the desktop, powerful and space-saving. It can easily punch 30 holes at a time and can handle 6 sheets of paper at the same time. The hole spacing is 3/8 inch (9.5 mm) between, and the inner diameter of the hole is 7/32 inch (5.5 mm), the binding coil has a 2/5 inch (10 mm) hole and can hold 78 pages. The hole puncher is equipped with a removable fixing clip. The fixing clip can be moved to the scale of the corresponding size, so even if you punch holes in the paper in batches, you don't need to worry about the uneven position of the hole position each time. 4 loose-leaf binding strips, each can hold up to 80 sheets of paper. 1 ail opener can easily complete the closing of the loose-leaf binding strip. The hand-push 30-hole binder can easily diversify your own photo albums, scrapbooks, gifts, notebooks and diaries. It can easily punch holes in notebooks, planners, vocabulary books, recipes, diaries, flip books and reports, making your papers organized and neat. The efficient 30-hole diversified puncher makes your life more convenient and comfortable. You can easily use it for office document organization, conference material preparation, student homework binding, home document management, DIY creative projects, etc. Colour:As Shown Material:Metal + Plastic Package Contents: 1 set x spiral binding machine