3M™ Near-Surface Marker 1438-XR/ID, 2 ft Range, General Purpose, 50/Case

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.

• Provides an accurate, long-lasting method of marking underground facilities
• Offers easy marking of buried power lines
• Passive antenna encased in a water-resistant polyethylene shell
• Withstands a temperature range of -20 to 50 °C (4 to 122 °F)
• Locates the exact position of the marker