Premier Monster Kettlebell Flat bottom with smooth handle Sizes: 56, 68, 80, 92 Kg Handle diameter approximate size: 1.9" No shipping to HI,AK,PR, APO, FPO and PO BOX Ader durable monster kettlebells feature some of the best designs on the market including wide handle with a smooth finish and flat bottom for stability during push-ups and other floor exercises. These are all cast iron with no welding.