Tube closing pliers

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Special pliers with a wide jaw for neatly and hygienically folding our aluminum tubes. Simple model, great for use in schools or for closing small series.

Method:

1. Fill the tube (can be determined to how far can be filled due to a color difference on the inside).
2. Push the tube slightly closed.
3. Pinch the tube closed with the pliers.
4. Fold the pinched edge.
5. Pinch with the pliers.
6. Fold over again.
7. Pinch with the pliers.