Polanik Centre of Gravity Testing Device Accuracy for Fair Competition Testing is essential to maintaining fairness in athletics. The Polanik Centre of Gravity Testing Device is specifically engineered to safely and reliably check the position of the centre of gravity in hammerheads and shot puts. During testing, implements remain securely attached to the device, even if results are negative and the item falls from the testing edge. Designed in accordance with World Athletics rules, it guarantees compliance and accurate verification for competition use. Key Features ✅ Safely tests the centre of gravity of hammerheads and shot puts✅ Secure attachment ensures implements remain in place during testing✅ Prevents damage or risk even when test results are negative✅ Ensures compliance with World Athletics competition rules✅ Essential for maintaining fair competition standards Cazna Sports offers the most complete range of athletics officiating and testing equipment in Australia. Delivery is approximately 14 to 20 days. If you require a quicker delivery time, please contact our team.