... ,dumbbell,dumbbell 552 , each dumbbell;let you lerapidly switch Dumbbell stand,Aadjustable dumbbell,dumbbell,dumbbell 552 ,each dumbbell;let you lerapidly ... , 15, 17.5, 20, 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds;3) Lets you rapidly switch ...