Unlock the Secret to Seamless Synclastic Rings • 4 precision-engineered ring forming dies• Eliminate kinks, bends, and surface imperfections• Diameters range from 19.9mm to 23.9mm• Includes convenient storage organizer No more battling with traditional hammering methods and their unpredictable results. The Bonny Doon Synclastic Ring Die Kit gives you total control over the ring-forming process, allowing you to create flawless synclastic pieces time after time. These carefully designed dies are a game-changer for metalworkers of all skill levels. Whether you're an experienced jeweler or just starting out, you'll be amazed at how much easier and more efficient your ring-making becomes. Say goodbye to wasted time and materials, and hello to a smooth, stress-free workflow. SKU: 110649 UPC: 632751119030 Brand: Bonny Doon MPN: 110649 Made In: United States Micro-Tools makes every attempt to provide accurate information for each item. Actual packaging and/or specifications may be slightly different from the information and picture provided.X