The 12-in-1 Adjustable Dumbbell Weight. Offering a wide weight range from 1.5 kg to 18 kg in practical increments, this adjustable dumbbell is ideal for refining form and technique in your daily full-body strength training. Seamlessly transition between the 12 weight settings with a simple twist of the handle, all achievable with one hand. With the robust steel plate construction and two-step weight plate locking mechanism, safety and stability are ensured throughout your workouts.