... a handle.*Helps develop total body strength, power, and endurance.*Kettlebells work the body across a wide range ... for squats, throws, cleans, jerks, snatches, rotational swings and more. SpecificationsKettlebells are cast iron balls with a handle. ... the demand placed on core stabilization, agility and proprioception*Use for squats, throws, cleans, jerks, snatches, rotational swings and more.