Sold by the case (30 units) Retail for $31 USD each + tax, open to offers

Details Self-leveling design for precise and horizontal positioning Offers easy marking of buried power lines Passive antenna encased in water-resistant polyethylene shell Withstands a temperature range of -4 to 122 °F (-20 to 50 °C) Works without any external power source Works without any external power source Color conforms to APWA standards iD marker version allows the programming of customer specific information The 3M™ 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.

The 3M™ Ball Marker provides an effective way of marking underground facility lines. This passive underground marker with a water resistant polyethylene shell does not react with any chemicals or minerals. This ball marker effectively operates without the need for any external power source.

Suggested Applications Designed for locating flush mounted facilities that are covered by backfill