natural surface iron kettlebell Spec:4kg,6kg,8kg,10kg,12kg to 55kg, 60kg,64kg. Color: hammer paint or black. natural surface iron kettlebell:Spec:4kg,6kg,8kg,10kg,12kg,14kg,16kg,18kg,20kg,24kg,28kg,32kg,36kg,40kg,44kg,48kg,55kg,60kg,64kg.Color: hammer paint or black