Multiple-weight Combo: Budding beginners?. Rehabilitation trainers?. Or fitness lovers?. No problem! The free adjustable dumbbell set is consist of six 0.5lb-dumbbell weights, allowing you to find your best-suited and precise weight training among the weight combos of 2lb, 2.5lb, 3lb, 3.5lb, 4lb, 4.5lb, 5lb.