adjustable dumbbell set of 2 - fast adjust weight dumbbells 5lb-52.5lb free weight training equipment for man women exercise strength core fitness at home explovehike <p><b>weight adjustable dial</b></p><p>rotate the dumbbell adjustable dial left and right to quickly adjust the gym equipment barbell weight you need. weight range: 5, 7.5, 10, 12.5, 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50 and 52.5 lbs.</p><p><br></p><p></p><p><b>10 safe locks</b></p><p>weight adjustment is only permitted when the home weight dumbbell is placed back into the exercise dumbbell tray. the 10 locking grooves lock the dumbbell set tightly to ensure that the dumbbell will not fall during exercise. </p><p><br></p><p></p><p><b>reset button</b></p><p>if the dumbbell dial can not rotate for switching the weight of the barbell, please press the reset button to reset the weight set dumbbell keyboard scale to avoid chucking.</p>