This versatile paper corner rounder punch is an essential tool for crafters, scrapbookers, and card makers who want to add professional-looking rounded corners to their projects. The innovative 3-in-1 design features three different radius options—4mm, 7mm, and 10mm—all in one compact tool, eliminating the need for multiple corner punches and saving valuable workspace. Simply insert the edge of your paper fully into the device, align the sharp corner with the vertex slot corresponding to your desired radius, and press the handle to create perfectly rounded corners every time. The tool features a sharp blade combined with a zinc alloy frame that cuts cleanly through cardstock, paper, and other craft materials with minimal effort. Constructed from high-quality ABS material, this corner cutter is both sturdy and long-lasting, designed to withstand regular use in your crafting projects. The clear markings for 4mm, 7mm, and 10mm measurements ensure you can cut exact corners without additional measuring tools, making your workflow more efficient. A non-slip mat on the base protects your desk surface from scratches whilst providing stability during use. Whether you're creating greeting cards, photo albums, scrapbook pages, or other paper crafts, this corner rounder punch delivers consistent, professional results that elevate the quality of your handmade creations.