Lowrance HDI Skimmer 83/200 455/800 T/M Transducer [000-10976-001] Electrical | Alternators 5mm hole is all that's

5mm hole is all that's needed to run the cable through the hull

For Displays and Standard Instruments:

Maximum Rope Diameter - 1/4" (6 mm)

A-Series Rock Light Kit - 6 Blue Lights - Black

Lowrance HDI Skimmer 83/200 455/800 T/M Transducer [000-10976-001] Electrical | Alternators 5mm hole is all that'sHDI 83 200 455 800 Skimmer Transducer Works w Elite 7 combo and fishfinder models, plus HDS Gen2 Touch fishfinder and combo models HDI Skimmer transducer 83 200 455 800kHz with built in temp. Includes mounting bracket and hardware. Cable Length 6m (20ft) Hybrid Dual Imaging (HDI) transducer (83 200 455 800) The power of two award winning technologies Broadband Sounder PLUS Exclusive DownScan Imaging combined to provide the best possible view beneath