Chase one of the most intense workouts for cardio and strength training with the Cortex 4kg Vinyl Dipped Cast Iron Kettlebell. Stay in shape with kettlebells, a comprehensive full body workout that gets your whole body moving with minimal equipment. For extra protection, they are vinyl dipped to minimise damage to the home & colour coded for easy recognition. Our range of vinyl kettle bells are made from strong cast iron so they are just about indestructible. Enhance your home gym or start your kettlebell collection with the Cortex 4kg Vinyl Dipped Cast Iron Kettlebell.