Titan Life PRO Kettlebell Steel Competition 40 kg are competition kettlebells, which are known for having the same size regardless of weight. They are available from 4 - 40 kg and have colors according to international standards. With their size, they have a larger bottom surface and are therefore more stable. They are made of top quality steel, which is durable and is approved for competition use. The handles are designed to give you a firm grip during the exercises. Exercises with kettlebells help you improve your strength, flexibility and increase your muscle mass. Only your imagination sets the limits for exercises with a kettlebell.