The Revival systems cast iron kettlebell collection
 
The kettlebells are smooth, being constructed from single steel castings and finshed in a matte black colour,The coloured banding around the bottom of the handle is denote the competion standard weight. Also to identify the weight even easier it has the weight in kg and lbs. 
 
kettlebells are a great piece of equipment to own as they are so versatile in what you can use them for, they are also easy to store perfect for training at home where space is an issue or in large gyms where high quanity of kit is needed.