http://www.nantongsporting.com..../kettlebell/rubber-k Rubber Kettlebell NameBlack rubber coated kettlebell MaterialCast iron+Rubber Coated FunctionBody ColorBlack PackPoly bag Kettlebells can be used for specific muscle groups or whole body exercises. It is very suitable for swing, deadlift, squat, jump, snatch and other sports or cross training. It is made of strong high-quality cast iron and strong steel chrome-plated handle coated with D hardness shore glue, which has excellent protection and durability. The wide open handle ensures a comfortable and safe grip with one or two hands. The flat bottom is convenient for e