Training with dumbbells allows you to select resistance training exercises based on their similarity to actual movements that occurs during sports. Dumbbells require more balance than training with barbells or machines, and balance is crucial for optimal performance. This dumbbell set comes with 2 pairs of dumbbells in 5-pound and 8-pound sizes. A weight rack is included as well. The durable, neoprene material coated cast iron is great for indoor and outdoor workouts. Neoprene coating on weights allow for a secure grip. The Hex shape of the dumbbells prevents them from rolling. Easy to Assemble. Weight rack is included. Assembly tools are included for your Convenience too. At A GLANCE: Neoprene coated Hex shape Weight stand included Assembly tools included