Imperial Open-ended Chrome Wrenches Secure Tools supplies Imperial open-ended chrome wrenches. They are hand tools used for turning or tightening imperial-sized fasteners. These wrenches have an open-ended design, meaning that both ends of the wrench are open and do not have a closed box-like shape. These imperial open-ended chrome wrenches provide a simple and effective solution for turning imperial fasteners. Their open-ended design and chrome finish make them versatile and durable tools for various applications.