Improve core strength and your full body workouts with fitness equipment from Philosophy Gym. The rubber coated hex dumbbell is made from solid cast iron and includes a rubber coating on each end of the weight. This ensures durability, making it a great addition to your workout. The versatile design of the dumbbell supports a wide range of strength-training exercises and full body workouts, and can also be used to target specific muscle groups. The rubber coated hex dumbbells feature a knurled ergonomic handle for a comfortable, secure grip. The hexagon shaped heads on each end prevent rolling during your workout and provide an easy storage option when they are not in use. The weights are sold in multiple options including both as a single dumbbell or a set of two. The dumbbells are marked in pounds to easily identify during your workout. They are available in the following individual weight options: 3, 5, 10, 12, 15, 20, 25, 30, 35, 40, 45, and 50 pounds. Philosophy provides professionally designed fitness equipment with exceptional durability to meet all your workout needs.