Gymenist 40lb Dumbbell Set with Free Hard Storage Case, Adjustable Steel Chrome Wieghts Set to Make a Pair of Dumbbells Adjustable Dumbbells, comes in a hard plastic case for easy storage Great for upper and lower body workouts Great for home gym exercise or to take along when you are in the road East to set up, just screw up the spin lock collars Includes, 4 x 5 lb plates, 4 x 2.5 lb plates, 4 spin lock collars, 2 chrome solid steel handles with non slip threads for comfortable training