Knipex 9K 00 80 122 US Cobra pliers set. Set includes Cobra pliers 87 01 125, 87 01 250, 87 01 300 and keeper pouch. Induction-hardened gripping teeth and push-button adjustment allow KNIPEX forged steel Cobra pliers to safely and securely latch onto pipes, nuts and other hard-to-grasp objects. Just position the upper jaw to a workpiece, depress the patented push button and slide the lower jaw into place underneath. Adjustable among several positions, these water pump pliers self-lock onto nuts and pipes without fear of crushing fingers thanks to an anti-pinching guard. Gripping capacity up to 2 3/4-inch on pipes, up to 2 23/64-inch on nuts.