The knipex 2 piece cobra plier plier wrench set contains the following 1 x 87 01 250 cobra waterpump pliers for easier safer work with box joint press button action for fast and firm adjustment directly on the workpiece no unintentional adjustment one hand adjustment possible gripping surfaces with special hardened teeth self locking on pipes and nuts no slipping on the workpiece and low hand force required the guard prevents operators fingers being pinched capacity 46mm length 250mm 10in 1