47" Olympic Supra Curl Bar w/ Revolving Handles.Strength training with a literal twist. The 47" Olympic Supra Curl Bar w revolving handles is an all purpose weight bar with revolving handle bars. The 47" Olympic Supra Curl Bar w Revolving Handles utilizes the biomechanical process of supination the inward and outward rotation of the wrist to improve strength training benefits. Description By utilizing movable and rotating grips the 47" Olympic Supra Curl Bar w Revolving Handles isolates exertion to