Kettlebell CoreX Cast Iron Natural Surface Kettlebells w/ Hammertone Black Epoxy Finish Add an entirely new variety to your workout that will maximize results and offers all the benefits of dumbells and more with these stylish kettlebells that have the most comfortable handles you will ever hold. Kettlebells offer a whole new dimension to traditional workouts because the weight of the kettlebell hangs a few inches lower than the handle making it more difficult to control which engages more of your core and burns more calories. Just 1 kettlebell mixed into your workout routine with explosive exercises will work major muscles, burn more body fat, build power and strength. Iron Kettlebells Natural Surface with Hammertone Black Epoxy Finish. Single Piece casting. Available (handle diameter mm) in Kgs: 8 (33mm), 12 (37mm), 14 (35mm), 16 (39mm), 20 (41mm), 24 (39 mm) and 32 (42 mm) (Note: LBs inscribed on Kettlebell too).