Universal pliers made of carbon steel with a symbol 55# in high leverage technology This solution involves moving the mandrel connecting towards the top of the pliers This clearly strengthens the pressure of the jaws to the held material Handles covered with insulating covers Universal pliers made of carbon steel with a symbol 55# in high leverage technology This solution involves moving the mandrel connecting towards the top of the pliers This clearly strengthens the pressure of the jaws to the held material Handles covered with insulating covers.