Add a stunning element to your projects using the Celtic Knot Interchangeable Border Punch Cartridge by Fiskars. This cartridge is for use only with the Fiskars AdvantEdge Punch Starter Set by Fiskars (sold separately). The punch add a large decorative border to your projects. With the AdvantEdge Punch System, your paper stays in place and it's the punch that moves! Easily align on your projects with the slide-and-lock system. The cartridges stack for ease of storage. One large cartridge is included.