Rubber Coated Hex Dumbbells are the perfect solution for sculpting a firm and shapely upper body. Rubber dumbbells are made from solid cast iron with a 6-sided anti-roll design and encased in rubber. They are sold in a pair. Rubber coated hex dumbbell. Includes two dumbbells. Elastic rubber coating prevents damage to floors. Dimensions: 5" H x 5" W x 12" D.