3M™ Near-Surface Marker

3M™ Near Surface Marker is specially designed for marking underground telephone and other facility lines accurately. It comes in a cylindrical shape, allowing for easy installation in asphalt or concrete, without extensive digging. This marker offers positive identification of facilities.

3M™ Near Surface Marker provides an effective way of marking underground facility lines during construction or maintenance applications. It withstands a temperature range of -20 to 50 °C (4 to 122 °F). This waterproof near surface marker has a long lasting passive antenna, encased in a waterproof shell to identify underground facilities with its exact location, even in congested areas. When mapping new and legacy assets, the pre-programmed unique serial number integrates with back office mapping and GIS systems.