AJUMKER Adjustable dumbbell and barbell set Type: 20kg/44lbs dumbbell set Locked way: Nuts, (within a short time) Versatile: this adjustable dumbbell set can be used by multi way. Including hammer and bicep curls and triceps extensions to work on your upper arms and lateral, side and rear raises with shoulder presses to build stronger shoulders. Or you can combine with weight bench for exercise. Portable weight equipment: AJUMKER weights 20kg, professional strength training equipment can make your exercise more effective

