Practice and improve your technique with the Gill® Cast Iron Training Shot. The tough 3.5 kilogram cast iron design makes this shot ideal for every training session. A uniform, 108 mm diameter lets you find the perfect hand placement as you increase your strength and performance from the throwing circle. FEATURES: Training shot Constructed of durable cast iron Weight: 3.5 kg/7.7 lb. Diameter: 108 mm One-year manufacturer’s warranty Model: TS10835 For additional information relating to the Manufacturer's Warranty, please contact 217-367-8438.