CAP Rubber Coated Dumbbell Weights VERSATILE - Dumbbells offer the ability to target specific muscle group exercises or get a full body workout CONSTRUCTION - Heads are made from ASTM A48 Class 20 grey iron coated in 80 shore hardness rubber joined together by a solid 1018 cold rolled steel chromed handle FEATURES  Original Hex Shaped heads prevent rolling. The medium depth knurling on the ergo handle provides essential grip and security during use. Rubber coating is extremely durable FUNCTIONAL - Perfect for isolations, full body, functional and HIIT training CHOICES  This dumbbell group from CAP is available in sizes from 3, 5, 8, 10, 12, 15 - 120 lb in 5 lb increments