![](https://www.boehm.fr/wp-content/uploads/2023/07/newsletter-boehm-150x150.jpg)
Frequently asked questions about BOEHM hollow punches
26 January 2024![compas de découpe](https://www.boehm.fr/wp-content/uploads/2024/01/JLBM53PA-en-action-de-decoupe-150x150.jpg)
How to use BOEHM hollow punches?
26 January 2024To cut a ring or a gasket in a single operation
![découpe-joint maintenance](https://www.boehm.fr/wp-content/uploads/2023/10/decoupe-joint-maintenance.jpg)
The various chucks we propose allow 2 hollow punches to be paired in order to make custom gasket and to make concentric cuts.
See a demo video.
To know all the possibilities of twinning, refer to the table below.
![](https://www.boehm.fr/wp-content/uploads/2024/01/tableau-de-jumelage2.jpg)