Multi-Function Weight Set: Includes multiple sets of cast iron weight plates (2.5 lbs, 5 lbs, 10 lbs) with spring clips, plus 25 lbs, 35 lbs, and 45 lbs pairs, offering flexible options for progressive strength training and weightlifting.Durable amp; Secure Design: Features solid cast iron construction with a black finish and silver lettering for corrosion resistance and clear weight identification. Spring clips ensure weights stay firmly in place during workouts.2-Inch Hole Compatibility: Designed to fit standard 2-inch barbells, dumbbells, and other strength training equipment, making it ideal for home gyms, commercial setups, and cross-training facilities.Space-Saving amp; Organized: The multi-pair kit helps users save space while providing a range of weights for customized workouts, from warm-ups to heavy lifts.Ideal for All Fitness Levels: Perfect for beginners, athletes, and fitness enthusiasts looking to build muscle, improve endurance, or enhance functional training.