Suprfit Pro Competition Kettlebells are cast in one piece and made from high-quality steel instead of cast iron. The Suprfit Kettlebell Competition ball weights are perfect for an effective full-body workout. They can be used for snatching, clean and jerking, pressing, or simply as extra weight during mobility training. Whether you are a beginner or a professional, for commercial use in a gym or at home in your home gym, our weight balls are utilized by professional sports clubs, CrossFit boxes, and functional training gyms across Europe. The competition kettlebells are weather-resistant. They are made from high-quality steel, cast in one piece, and all have uniform dimensions and sizes. The flat bottom also ensures a stable stand.