TOPTUL The Mark of Professional Tools is a manufacturer of Sockets. More than just a manufacturer, we could assist you to solve issues of quality, price, availability, application, and more. Because our team is some of the world’s leading Sockets experts in delivering customer applications. We believe that our industry is one where reliability in long-term use, functionality and cost are all of great importance, but that it is reliability that differentiates the truly superior products. If you'd like to ask us a question or tell us something about your experience, you can get in touch by email, phone or "Contact Us" form.