Granite Fitness POWER Vise Grip TrainerIts time to work on that powerlifting grip or any sports that benefits from stronger hand grip! Granite POWER Vise Grip Trainer is the ultimate implement for grip strength training. Granite Innovative design allows you to use weight plates as well as resistance bands for added weight so you can get the most out of this implement. You can train both hands on the main bars or just an individual hand. We will include 3 bands that will range from 30lb added resistance to 100lb when you use them all together.G