Just one piece of equipment can give you an amazing full body workout! The ProSource Cast Iron Kettlebell is a one of the most effective, convenient ways to build muscle, endurance, and core strength, lending itself to a wide variety of challenging exercises. Cast Iron Kettlebells are the competition standard, robust and designed to last, they give you an excellent full body workout. Made entirely of durable cast iron, there are no seams, welds, or weak spots. The heavy, uneven distribution of weight forces your body to build core strength and balance when in use. Great for squats, swings, cleans, presses, and a variety of other exercises that are proven to build muscle size and strength. An extra-large handle makes it easy to grip with one or both hands for a safe and comfortable workout, and the durable material is built to last without wear and tear. Available in a variety of weights, so they can be used by both beginners and advanced athletes.