3M Locating and Marking System

3M's Locating and Marking System is an entire suite of specialty testers and specialty location markers that allow you to easily identify underground power, gas, communication and other utility lines. Each tester comes with a variety of features suited for several jobs and they work in conjunction with specialty markers that can be used for identifying various resources. Using these locating and marking tools allows proper identification of resources for maintenance and prior to digging for construction.