1.with rubber mat on the bottom of each kettle bell
2.Available from 4kgs to 40kgs in 4kgs increment
3.Weight displaced evenly
4.Kettle bells with cast iron handle and vinyl dipped coating
5.Size: 4 / 8 /12 /16 / 20 / 24 / 28 / 32 / 36 / 40 kgs5lbs 10lbs 15lbs 20lbs etc