CAP Barbell Cast Iron Hex Dumbbell #VERSATILE  Dumbbells offer the ability to target specific muscle groups or perform a full body workout. #CONSTRUCTION  Heads are made from ASTM A48 Class 20 grey iron and joined together by a 1018 cold rolled solid steel handle (sizes 15-120lb) finished with a durable industrial enamel coating. #FEATURES  Original Hex Shaped heads prevent rolling. The medium depth knurling on the handle provides essential grip and security during use. Baked enamel coating is a durable and effective finish. #FUNCTIONAL  Perfect for isos, full body, functional and HIIT workouts. #CHOICES  This dumbbell group from CAP is available in sizes from 3, 5, 8, 10, 12, 15 - 120 lbs in 5 lb increments. Sold as a pair. Builds muscle Improves core strength Boosts balance Provides better bone health Burns more calories Increases energy levels Enhances overall mood and more!