... round dumbbell,handle dumbbell,MINI dumbbellKettlebells are cast iron balls with a handle. KF-DB-88 Round Handle DumbbellMaterial ... :Cast IronWeight:As client's requirementsKettlebells are cast iron balls with a handle.*Helps develop total body strength, power ... :Cast IronWeight:As client's requirementsKettlebells are cast iron balls with a handle.*Helps develop total body strength, power ...