About this item Solid high quality of cast iron kettlebells designed for developing grip strength, endurance, and overall conditioning. Covered with protective vinyl for better look, increased durability and corrosion protection. Ergonomically large handle for easy, comfortable and secure grip; ideal for swings, squats, get-ups and more workouts. Weight clearly marked with different color groups, available in 5lbs, 10lbs, 15lbs, 20lbs, 25lbs, 30lbs, 35lbs, 40lbs, 45lbs, 50lbs. 100% satisfaction guaranteed for our products.