Wholesale Dumbbell Dumbbell Hex rubber dumbbell Item Hex rubber dumbbell Specific 2.5/5/7.5/10/12.5/15/17.5/20/22.5/25 kg 5/10/15/20/25/30/35/40/55 LB Material Cast iron with rubber Color Black Advantage 鈼?High quality Hexagonal dumbbells are cast iron inside and rubber coated outside. 鈼?Complete specifications Complete specifications, suitable for all kinds of strength training.the kg standard...