The powerblock sport 24 adjustable dumbbells are a comprehensive weight training set for the home gym the powerblock sport series can also be useful for personal trainers who provide their own equipment the dumbbells offer tapered handles with wrist support featuring more open design with larger handle cavity the sport 24 model replaces 8 pairs of traditional dumbbells and offers the weight range of 15kg 11kg per hand the sport 24 cannot be further expanded