Features and Usage:competition barbell piece size:2.5,5,7.5,10,20,35,45LB material: Packet iron color silvery Features and UsageFeatures and Usage:competition barbellpiecesize:2.5,5,7.5,10,20,35,45,52LBmaterial: Packet ironcolor silvery plate weight2.5LB,5LB,10LB,20LB,35LB,45LB colorMIX colors material iron ,according to cuntomer requirement to make advantage this kind of dumbbell especially ...