Polanik Hammer Conversion Circle – Competition ModelUpgrade your athletics facility with the Polanik Hammer Conversion Circle, engineered for precision, durability, and compliance with World Athletics competition standards. This conversion ring allows you to transform a standard discus circle into a hammer throw circle with ease, making it ideal for multi-purpose stadiums and athletics venues. Crafted from galvanised steel with a powder-coated finish, this conversion circle resists corrosion and is built to perform in demanding outdoor environments. Its four elements assemble seamlessly using a single-head feather key, ensuring a secure and stable fit during competition. With official World Athletics approval (No. E-05-0417), this model meets the exacting requirements for elite-level events, giving athletes and event organisers the assurance of a high-quality, regulation-compliant setup. Key Features✅ Competition-grade dimensions: 2500 mm outer diameter, 2135 mm inner diameter✅ Durable galvanised steel construction with powder-coated finish for corrosion resistance✅ Approved by World Athletics (No. E-05-0417) for official competition use✅ Converts standard discus circles to hammer throw circles with precision✅ Sturdy assembly via four elements joined with a single-head feather key Cazna Sports offers the most complete range of hammer throw equipment and accessories in Australia.