Marcy Cast Iron Hex Dumbbell Series — Sizes 3 to 100 lb, Sold Separately

- Hex Head: Hexagonal cast-iron heads prevent rolling and keep each dumbbell stable; flat sides let them be stacked for compact storage. - Size Range: Offered in weights from 3 through 100 pounds — 3, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, and 100 lb; each weight is sold separately. - Full Body Workout: Designed to work multiple muscle groups while improving range of motion, balance, and stability with a variety of exercises.