This is adjustable type rounded corner punch, to cut off bag corners on Bag Making Machine.

Usually there are 3 to 5 Punching Units on the mold frame.

Each Punching Unit is removable on the mold base.

So the hole center distance can be adjustable (min to 55mm)

And usually the passing slot is 600mm long, it means your total film width should be less than 600mm.

Any hole size and shape can be customized.