The 3M™ Near Surface Marker provides an accurate, convenient and long lasting method of marking underground facilities. Its size and shape allow for easy installation in asphalt, concrete or dirt, without extensive digging or drilling. They have a range of up to 1 metre from marker to locator, and can be accurately located using a 3M™ Dynatel™ Locator when buried in a vertical position.
The 1432 Near-Surface Markers are used in the Telecommunications industry.