Go for a new personal best this track season with the Gill(R) 12 pound Turned Iron Shot. Machine-turned to an exact weight and diameter, this shot is the perfect piece of equipment to improve your throws. Weighing 12 lb with a diameter of 108 mm, the Gill(R) Turned Iron Shot gets you throwing like the Olympians of the past. FEATURES: Turned iron shot Machine turned to an exact weight and diameter Weight: 12 lb. Diameter: 108 mm One-year manufacturer's warranty Model: 34121 For additional information relating to the Manufacturer's Warranty, please contact 217-367-8438.