Based on our own experience this heavy-duty C clamp is the real deal when it comes to workholding IN an industrial and scientific setting .The sturdy and durable build of this clamp ensured that our workpieces were held tightly in place securely. The U-shape design also allowed for easy access to the work. The only drawback we noticed was its weight, but it's a small price to pay for the reliability this clamp provides. Overall, this is a dependable tool that we highly recommend..