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GROCO Thru-Hull Installation Tool - THT-530
GROCO Thru-Hull Installation Tool - THT-530
GROCO Thru-Hull Installation Tool - THT-530
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GROCO Thru-Hull Installation Tool - THT-530

Marsoni M251S
Sale price$127.99
Pay 4 payments of $32.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
GROCO Thru-Hull Installation Tool - THT-530GROCO 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
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 353 reviews
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Product Reviews
J
Verified Purchase
Jerry Carpenter
West Palm Beach, US
★★★★★ 5
Goes perfectly under my kitchen cabinets
Size: 6 Outlets, Style: Desk Socket - White
Shipped on time super easy to install absolutely love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 11, 2026
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 5
Perfect if you need extra plugs
Size: 6 Outlets, Style: Desk Socket - White
Perfect for what I needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
L
Verified Purchase
Lauren M
Whiting, US
★★★★★ 5
Good for DIY projects
Color: Black, Size: 6 FT
Good quality. All works well and seems durable enough and like that it’s easy to replace in future if damaged.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
C
Verified Purchase
Christopher Hudy
Battle Creek, US
★★★★★ 5
Easy Install on my headboard frame. Clean product and design.
Color: Black, Size: 10 FT, Color: Black, Size: 10 FT
Amazing product. Installed easily. Love the surge protection as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
A
Verified Purchase
Angelmom
Massapequa, US
★★★★★ 5
Works great and installs easy.
Color: Black, Size: 6 FT
The charger works really well and the a/c outlets work as they should. The install was easy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026

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