Ronstan Series 30 Utility Block- Cheek, Curved Base - RF188

Ronstan Series 30 Utility Block- Cheek, Curved Base - RF188

Marsoni

M251S

$19.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Ronstan Series 30 Utility Block- Cheek, Curved Base - RF188Series 30 Utility Block Single, Becket, Tube Rivet Head Features: Lightweight durable construction Economical Maintenance free Product Information: Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets accept fixing screws, shackles or can be used as a becket for extra purchase. Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on

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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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This product is great to have around in your car. This makes it easier for solving the problem of a flat tire. I mean! In my case! I rather use this method first instead of having to remove the tire and having to go through the spare tire dilema. For a temporary solution,this kit is perfect. And in some cases! It can serve as a permanent solution. This kit is great to have in your trunk. 👍🏻👍🏻👍🏻

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Reviewed in the United States on October 9, 2025

Verified Purchase

Mr. Jumps

Dallas, US

★★★★★ 5

Gets the job done.

Got 2 flats at the same time in freezing cold weather. Jack failed, but this product didn't.

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Reviewed in the United States on April 11, 2026

Verified Purchase

James A Karon

Louisville, US

★★★★★ 4

Seems fine

The kit looks good to me. Better than my old one that lasted 15 years.

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Reviewed in the United States on May 18, 2026

Verified Purchase

JCK

Natrona Heights, US

★★★★★ 5

Would buy again

No issues with this product. The oversized T handles make it a bit easier to complete the plugs. Definitely easier for those who have trouble gripping smaller items to work with or for those with larger hands. Valve stem remover was nice quality and nice to have additional valve stems. Would buy again. Wish it had a better case but I can't complain for the price.

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Reviewed in the United States on October 6, 2025