Build muscle and tone your body with the IBF Iron Body Fitness 25 lb. adjustable dumbbell set. The two 12.5 lb. dumbbells adjust with a simple turn of the handle in 2.5 lb. increments. Adjust them to 2.5, 5, 7.5, 10 or 12.5 lbs. each. Replace five sets of dumbbells with one! Ideal for home workouts, the easy-to-use set comes with a heavy-duty docking base for securely adjusting your weights and convenient storage.