The Azure 4kg Toning Kettlebell is a highly versatile piece of equipment that can be used to perform dozens of different exercises to hit the upper and lower body. Kettlebell training can help you to build strength, balance, agility and endurance whilst enabling you to burn calories and promote weight loss.. Suitable for users of all fitness levels, the 4kg kettlebell features wide ergonomic handles for a comfortable grip. The stylish design also clearly displays the weight marking on the front.. Azure kettlebells are also available in weights of 2kg, 6kg and 8kg (sold separately).