Personalize your workout with the Bionic Body Marcy 6-in-1 Adjustable Dumbbell System. The 10 different plates let you adjust the dumbbell's weight between 10 and 50 pounds, with convenient selectors to help you choose the right plates for your workout. Cast iron construction offers durability, while the knurled grip and roll-free design ensure a safe session. A fitted carry case offers convenient storage between workouts.