It can bind paper without using staples, so there's no need to refill staples. ● You can see the position of the binding hole / It has a confirmation window, so you can check the position of the binding hole while binding the paper. ● Binds at corners or sides / Since it's a single-point binding type, you can freely bind at corners or sides. There's also a convenient mark for corner binding. ● Easy paper scrap removal / The binding hole position confirmation window opens and closes, so you can easily remove paper scraps and paper dust when you make a binding mistake. ● With a strap hole / It has a hole for a strap, which is convenient for carrying.