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GROCO Thru-Hull Installation Tool [THT-530]

Marsoni M251S
Sale price$164.99
Pay 4 payments of $41.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
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
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  • We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 1680 reviews
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Amazon Customer
Charlottesville, US
★★★★★ 1
Not impressed
Color: Beige, Size: 21.5"- 1 Panel
Very flimsy but does the job intended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 3
Fair
Color: Black, Size: 88"- 4 Panel
Fair product. Very cheap quality.
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Reviewed in the United States on August 10, 2025
T
Verified Purchase
TJD
Omaha, US
★★★★★ 5
Sturdy and Easy to Move
Color: Black, Size: 132"- 6 Panel
This 6 ft black partition on wheels is exactly what I needed to divide space without sacrificing style or stability. It’s sleek, professional-looking, and blends in well with any environment—from office spaces to home studios. The build quality is impressive—very sturdy and doesn’t wobble at all once it’s in place. The wheels glide smoothly and lock securely, making it easy to reposition or keep stationary as needed. Assembly was quick and straightforward, with all parts clearly labeled. Overall, this partition is a perfect combination of functionality and design. Highly recommend it if you need a durable, mobile room divider that looks great and performs even better.
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Reviewed in the United States on August 4, 2025
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Verified Purchase
Harrison Cole Youngren
Massapequa, US
★★★★★ 5
Nice once put together.
Color: Black, Size: 88"- 4 Panel
I really enjoyed these ones. They got put up, putting them together was a two-man task and not very easy at all. They work really good. They're very heavy duty. You can hang things on them. I kick mine out of the way and they work like a charm!
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Reviewed in the United States on November 2, 2025
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Verified Purchase
884EVER
Massapequa, US
★★★★★ 5
Great privacy screen
Size: 4 Panel-88"W, Color: Grey
Nice item, easy to assemble.
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Reviewed in the United States on January 15, 2026

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