DUMBBELL,Aadjustable dumbbell,dumbbell,dumbbell 552 , each dumbbell; DUMBBELL,Aadjustable dumbbell,dumbbell,dumbbell 552 ,each dumbbell;let you lerapidly switch,we are factory,we can supply ... .5 lbs (2.27 to 23.8 kg) for each dumbbell; 2)Lets you rapidly switch.The Adjustable dumbbells is a ... a dial, you can automatically change your resistance on each dumbbell from 5 pounds all the way up to 52.5 ...