Body-Solid KBS105 5 to 30-Pound Kettle Bell Set Cast iron strength training tools are as challenging to use as they are simple in appearance Build strength via a variety of exercises including squats, throws, clean and jerks, snatches, rotational swings, and more Built of cast iron with tough enamel finish; steel-reinforced for maximum safety and durability Set includes weights from five to 30 pounds, in five-pound increments Includes limited lifetime manufacturer's warranty