Use the Lifeline 5 to 50 pound Hex Rubber Dumbbell Set with 3-Tier Storage Rack to help build muscle and tone your body. The dumbbells have a rubber covering to dampen noise and ergonomic triple-knurled chrome handles for a comfortable grip. The hex design stops the dumbbells from rolling for safe use, and the 3-tier storage rack makes it easy to organize the weights after you're done with your workout.