4Kg Kettlebell with plastic coating. Plastic coating with cement filling. Professional build quality. Weight: 4Kg. Weight imprinted on surface - with Gorilla Sports logo. Flattened base for extra stability. Kettlebells can be lifted like dumbbells for strength workouts, using moves like the Snatch, Clean and Jerk. They can also be swung, either alone or in pairs, for an intense cardio workout.