Knipex 87 26 250 cobra vde insulated hightech water pump pliers knipex 87 26 250 these 250mm l cobra reg vde water pump pliers from knipex are equipped with gripping surfaces and special hardened teeth self locking on pipes and nuts ensuring no slipping on the workpiece and saving work while allowing adequate accessibility to the workpiece designed with a host of excellent features including pinch protection to prevent injury joint design high stability because of double guide hi