Introducing the 3502 Rock Housing.

The “3502” housing sets itself apart from competitors with the following features:

  • Compatible with Underground Magnetics 18-inch Echo 90 transmitter
  • Unique short door design
  • Internal hold down shield
  • Upgraded slots to optimize Echo 90 extended range transmission
  • Industry-leading thread connectivity

And of course, the “3502” housing has rock-solid durability and versatility for contractors while keeping the strong performance Radius HDD is known for. Our dirt housings are built to higher standards than anything else on the market. Only Radius protects the beacon with a unique lid-locking mechanism for a more reliable closure throughout drilling. Couple that with the convenience of a replaceable nozzle at the front, and no other dirt housing comes close. We are proud to drive innovation with this latest release and will continue pushing to meet the unique demands of the HDD world. For more information on the “3502” housing and other products available, call or text our HDD pros at 1-800-892-9114 or check out

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