Qualifying as one of the “most important” tools in the installer’s kit, a stud sensor is vital to retrofit wire and cable installation. The Zircon stud sensor series are among the most accurate and reliable stud sensors available. These sensors are easy to use and have the ability to determine stud position and detect fire block obstruction location, both essential when utilizing wall position reference based wire installation techniques. Be sure before you drill or cut. Use a reliable stud sensor. The Stud Sensor Pro will provide simple stud and fire block location identification in wall material up to 3/4" deep.