These punch dies fit the Onyx HD7500 Horizontal Wire, Comb & Spiral Coil Punch Machine. They provide more than 20 popular punch patterns on a single machine. All of these dies have a swing-away pin retainer that allows you to remove any pin to suit any length of paper.Don't see what you want in this list? We can make almost any punch pattern in any combination of pin size and shape. Contact us today with your specifications.