Ronstan Series 50 All Purpose Block - Single Stand Up - RF51140

Ronstan Series 50 All Purpose Block - Single Stand Up - RF51140

Marsoni

M251S

$42.99

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

Ronstan Series 50 All Purpose Block - Single Stand Up - RF51140Series 50 All Purpose Block Single Stand Up Features: Exceptionally high working loads Low maintenance, long service life Self lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock universal head Slotted pin shackle eliminates fouled lines Mount with 2 x 5mm (3 6") fasteners (not supplied) All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless

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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. 👍🏻👍🏻👍🏻

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on October 9, 2025

Verified Purchase

Mr. Jumps

San Leandro, US

★★★★★ 5

Gets the job done.

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

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on April 11, 2026