View in the showroom today.The most versatile training aid on the market! These cast iron powder-coated kettlebells from Muscle Motion are available in sizes from 8kg to 28kg and feature stylish black exteriors with embossed weight identification. Features and Details: Solid cast iron kettlebell Powder coat finish Black colour Embossed weight identification in kilo and pounds Sizes available: 4kg 8kg 12kg 16kg 20kg 24kg 28kg ...