Gedore Chisels & Punches Hole punch 611334 - Gedore 4546560, The Gedore 4546560 hole punch features a 21 mm diameter, designed for precision and durability. It is ideal for creating clean holes in materials like leather and gaskets. Manufactured by Gedore, this tool is suitable for both professional and DIY applications. Gedore 4546560 Arc Punch 21 mm