![GROCO Thru-Hull Installation Tool [THT-530] Outdoor | Compasses - Magnetic Wind (Apparent direction and speed](https://cdn.shopify.com/s/files/1/0704/3376/7726/files/75342XL.jpg?v=1711760419)
Pay in 4 interest-free payments of $29.88 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Wind (Apparent direction and speed
No holes to drill or changes to make on your boat
600W Pure Sine Wave Inverter - 12V
Mount foot included
a lid and full directions
GROCO Thru-Hull Installation Tool [THT-530] Outdoor | Compasses - Magnetic Wind (Apparent direction and speedThru 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
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