The jordan competition kettlebells are the perfect kettlebells for any commercial gym studio boot camp or home gym the colourful kettlebells look fantastic and are comfortable to use key features of the jordan competition kettlebells steel competition kettlebells with smooth finish and a hollow core uniform size and shape of kettlebell across the range super smooth handle for comfort when in use colour coded for ease of identification available in sizes 8kg to 40kg in 4kg increments these