CONSTRUCTION Includes single dumbbell; Dumbbell ends are made from ASTM A48 Class 20 grey iron with durable coating, and are joined together by a solid 1018 cold rolled steel black handle VERSATILE Dumbbells offer the ability to target specific muscle group exercises or get a full body workout FEATURES 12-sided ends prevent rolling. The medium depth knurling on the ergo handle provides essential grip and security during use. Coating is extremely durable for longevity. FUNCTIONAL Target all major muscle groups. Dumbbell is perfect for isolations, full body, functional and HIIT training CHOICES This dumbbell group from CAP is available in sizes 3, 5, 8, 10, 12, 15 - 50 lb. In 5 lb.