From DT Online
Hollow Punches are sharpened lengths of tube which are struck with a hammer against a firm surface.
Features and Uses
These are struck with a hammer to cut holes in most compliant materials (e.g. paper, card, leather, textiles).
Note: Place a piece of scrap wood, or MDF under the material to be cut and use on a sturdy bench top or similar worksurface.
|Draper 6 Piece Hollow Punch Set 3/16" - 1/2" Dia||DIY Leather Belt Watch Band Gasket 10mm Dia Hollow Hole Punch||Forum Arc Punch 4317784849753 30mm||Am-Tech Small Hollow Punch Set (6 Pieces)|