The Marcy kettle bells have a unique Hammertone design that not only have a classic look and feel, but also resist damage and rust. They are a great addition for any home gym that will ensure a lifetime of enjoyment as well as a center piece for your all around fitness lifestyle. Marcy Hammertone kettle weights come in 10, 15, 20, 25, 35, 45 and 55 lbs. varieties so you can easily customize your free weight workout to fit your needs.