Fully adjustable with (4) 2.5 lbs. plates, (4) 5 lbs. plates, 2 threaded bars, and 4 spin-lock collars. Comes with a carrying case for easy transport. No assembly required. 8.66 in. L x 6.69 in. W x 17.32 in. H (44 lbs.). CAP's 40 lbs. dumbbell set is the ideal choice for both beginners and the advanced fitness enthusiast. You can create several weight combinations with the dumbbells, making them heavy enough for light chest presses and lightweight enough for bicep curls and triceps extensions. Weights can be adjusted according to weight preference.