This set of 20lb cast iron dumbbells in a hexagonal shape is perfect for both men and women who are looking to add some weight to their workout routine. The pair of two weights set lifting 40lbs total is ideal for strength training and weight lifting enthusiasts. The dumbbells are made of high-quality cast iron material, ensuring durability and long-lasting use. The gray-colored dumbbells have a specific design to target certain muscle groups, making it perfect for both beginners and experienced lifters. The dumbbells come in a unit type of lb and are suitable for both personalized and non-personalized workouts. This set is a great addition to any home gym or commercial fitness center.