These clamp pliers are a true lifesaver. They are easy to use and incredibly versatile when it comes to securing coolant and radiator fittings in an industrial and scientific environment .The pliers are made from strong, sturdy materials that can withstand daily wear and tear, ensuring that you get your money's worth. On the downside, they may not work well on very small or tight fittings, so you might have to use a specialized tool for those. Overall these are A must-have for anyone in the pneumatics and plumbing industry..