GROCO Thru-Hull Installation Tool [THT-530]Thru Hull Installation Tool Thru Hull Installation Tool The Concept: THT 530 makes the installation of standard GROCO thru hull fittings possible by a single installer. Slide the thru hull fitting, flanged end first, over the tool. (It will stop at the proper step.) Tie a length of monofilament to the eye and place it into the already cut hole in the hull of the boat. Apply caulking to the flange of the fitting, and pull the fitting through the hole

three models are available to accommodate a wide range of tank depths from 200 mm to 1500 mm

with ForwardScan

Type - 4 Zone/4 Channel

Ideally suited to a day on the water

Made of strong UV resistant polycarbonate

for difficult installations

Garmin Marine Network™ ports: 3

Total Width: 1-3/16"

RAM® security nuts/knobs are low profile and only add a small amount of additional bulk to your system when compared to the standard knob included

*AutoChart PRO is optional for select ONIX

Description: Dock Wheel

Safety: ETL safety listed to stringent UL standards: 1741