This 47 inches Barbell Curl is designed to improve muscular endurance, cardio health and muscle strength. The heavy-duty rubber coated durable material construction boasts rust-resistant features and have anti-slip handle design for extra grip while lifting. It works the biceps on the front part of the arm specifically and this muscles usually aid in elbow flexion and forearm supination. Ideal for getting trained while standing, it provides users with maximum comfort than using straight bar curls while considering the pressure that comes on wrists.