![GROCO Thru-Hull Installation Tool [THT-530] Marine Hardware | Oarlocks Dual Scale - Imperial and](https://cdn.shopify.com/s/files/1/0347/7127/1815/products/75342XL.jpg?v=1592623527)
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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Dual Scale - Imperial and Metric
Outside diameter of both is 1
Dress White 4" Tachometer with Hourmeter - 6000 RPM (Gas) (Inboard)
With an optional video output unit
time and space savings compared to traditional NMEA2000® starter kits
GROCO Thru-Hull Installation Tool [THT-530] Marine Hardware | Oarlocks Dual Scale - Imperial andThru 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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