Booklet making machine, 3:1 punching machine with two handles, sizes 3 mm, 5 mm, and 7 mm, for A4 and A5 sizes (square punching)

Universal square punching with a spacing size of 3:1: can work alongside various 3:1 spacing accessories, such as 3:1 binding folders, 3:1 binder rings, and so on. Flexible binding: can be used on letter size, A4 size, and A5 size, and the binding machine also supports margins of 3mm, 5mm, and 7mm for paper. Large capacity: punching capacity is 15 sheets weighing 80 grams of A4 paper or 18 sheets weighing 70 grams of A4 paper, and binding capacity is 130 sheets weighing 80 grams of A4 paper. Multiple uses: perfect for ring binders, test paper, documents, and more, and can be widely used in offices, schools, homes, and so on. 1-34 hole punching: from one hole to 34 holes, you can freely choose the number of holes needed for punching and binding, very easy.