18 Kettlebells in 1 Adjustable kettle bell with unique 0.5kg and 1kg increments. Same shape as competition kettlebells, perfect for all exercises. Replace clutter with one efficient, space-saving tool. Easy Peasy Secure Plate Swap Use the Allen key to remove the bottom screw, loosen the nut with the wrench, and quickly swap plates. Simple, secure, and ready for your next workout.