... adjustable dumbbell 552 set; replacing 15 sets of weights; MOQ: 60 pieces(30 pairs); custom brand acceptable The Bowflex SelectTech 552 Dumbbells ... 22.5, 25, 30, 35, 40, 45, 50, and 52.5 pounds. The gradual increase allows the ... can be done using the Bowflex SelecTech Dumbbells. Product FeaturesThe Dimensions are 15.75"L ... 22.5,25, 30, 35, 40, 45, 50, and 52.5 pounds.The Bowflex SelectTech Dumbells use ...