WEIGHT PACKAGE LIST - 40 lbs fitness dumbbells include: 4 × 4.4lbs weight plates, 4x3.3lbs weight plates, 4 × 2.75lbs weight plates, 4x dumbbell nuts, 1x connertor and 2x dumbbell bar. You can choose different weights according to your own preferences to meet the intensity needs of you and your family at different stages of exercise. 3 MODES - BCBIG adjustable dumbbell set, with 3 modes of use: dumbbell, light barbell and heavy barbell. Bring dumbbells to your home, Build your home gym. Get started on your fitness journey with a dumbbell workout!THE BEST HOME FITNESS EQUIPMENT - 3-in-1 mode, you can carry out a variety of balance strength training to help exercise biceps brachii, leg and abdominal muscles; It can also help maintain low blood fat and increase oxygen intake to obtain a healthy body. EASY TO ASSEMBLE AND STORE - Depending on your and your family's exercise needs, you can easily assemble the weight you want. For the exercisers with small space, they can easily disassemble it after use and put it under the table without taking up space.