![3M Ball Marker 1421-XR/ID, 5 ft Range, Telephone](http://hausoftools.com/cdn/shop/files/3M-7100178427_1_{width}x.jpeg?v=1713968153)
3M Ball Marker 1421-XR/ID, 5 ft Range, Telephone
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- 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