- 5-ft Detection range
- Self-leveling design for precise and horizontal positioning
- Offers easy marking of buried power lines
- Measures 4-in dia
3M™ EMS Extended-Range Ball Marker is specially designed for locating flush-mounted facilities that are covered by backfill. It is affixed to the underside of non-metallic lids or covers over flush-mounted facilities. This self-align marker offers positive identification of facilities.
3M™ EMS Extended-Range Ball Marker provides an effective way of marking underground facility lines. It withstands a temperature range of -4 to 122 degrees F (-20 to 50 degrees C). This passive underground marker with a water-resistant polyethylene shell does not react with any chemicals or minerals. The easy-to-use marker system has an extended detection range of 5 ft. This ball marker effectively operates without the need for any external power source.
- 5-ft Detection range
- Self-leveling design for precise and horizontal positioning
- Offers easy marking of buried power lines
- Measures 4-in dia
- Passive antenna encased in red water-resistant polyethylene shell
- Withstands a temperature range of -4 to 122 degrees F (-20 to 50 degrees C)
- Works without any external power source
- 30/Box
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