SS3D SSHD & TotalScan Skimmer Transom Mount BracketStructure Scan 3D gives freshwater and saltwater anglers a unique, three-dimensional view of fish, structure and bottom contours - making it easier to understand where fish and structure are located in relation to your boat. With Structure Scan 3D, anglers spend less time searching for productive water and more time catching fish. Structure Scan 3D requires a 3D module with transducer and a HDS Carbon or HDS Gen3 fish finder/chart plotter display.Features:Bracket for 3D and TotalScan TransducersFits select 3D Structure Scan and TotalScan modelsUsed with Lowrance or Simrad products