Alternative to the traditional kettlebell Includes 2, 4, 6, and 8 kg swing bells Tiny pellets create dynamic imbalance for extra stimulus for your joints, muscles and connective tissue Hand-made Exceptional quality and durability Workout with this stylish and practical alternative to the traditional kettlebell, the NOHrD by WaterRower Swing Tower Set. Included are four pairs of swing bells: 2, 4, 6, and 8 kg. Each swing Bell consists of a solid wood handle attached to a hand-stitched artificial leather case. For weight, each case contains tiny iron pellets that support the dynamic imbalance of your movement by shifting within the case – delivering extra stimulus for your joints, muscles and connective tissue. The top of the tower can store exercise instruction cards or dock a tablet or smartphone to help you with your workouts. Swing free weights are manufactured from start to finish by hand, resulting in exceptional quality and durability.