Our durable cast-iron hand weights feature a neoprene coated that provides a comfortable non-slip grip. And you can choose the dumbbell that suits you according to your muscle strength and exercise intensity. At the same time bright different colors and clear numbers allow you to quickly choose the dumbbell with the weight you want from different dumbbells. The hexagonal shape keeps the weight from rolling while not in use and helps to prevent damage to floors.Item Specification:Brand: MADOGDimensions: 4.25"(D)8.5"(W)3.75"(H)Net Weight(lbs): 24Box Weight(lbs): 26.46Dumbbell Weight: 12 LB x 2Grip Length(in): 5Grip Diameter(in): 1.5Dumbbell Type: HexMaterial: Neoprene Coated Cast Iron