CAP Barbell Coated Dumbbell Weight, Single, Various Sizes $19.99 – $153.81 VERSATILE – Dumbbells offer the ability to target specific muscle group or get a full body workout. CONSTRUCTION – Heads are made from ASTM A48 Class 20 grey iron 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. Coating is extremely durable.