


Ronstan Series 20 Ball Bearing Block - Single - RF20100
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Ronstan Series 20 Ball Bearing Block - Single - RF20100Series 20 Ball Bearing Block Single Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction Applications: Dinghy control lines Dinghy Vangs Cunninghams Traveller controls Materials: U. V. Stabilized Acetal sheaves Stainless steel ball bearings Grade 316 stainless steel load strap and head fitting Impact and UV
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- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 2414 reviews
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Product Reviews
★★★★★ 5
Fairly stable. Good value for the price
Size: 16 Inch, Size: 16 Inch
Great set of stands. You have to tighten them pretty snugly to minimize wobble. Given they are metal they’ll have a little bit more give than solid wood. Even so,
a tall desk I built with them remains stable and level.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
★★★★★ 5
Quality
Quality item. Using a butcher block on top to make a desk.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
I love it!!!
Size: M Desk Unfinished 3/4-in and 1/2-in
Easy to assemble, all the pieces were in the box. I set everything out to be sure. Instructions were easy and clear, took about 10 min to put together.
Seems to be quality pipe, strong stable build even at just hand tight. When I put the desk top on it was already level so bonus there.
This kit is a great value, before I found the M desk I was looking on Pinterest for pipe leg designs thinking a trip to the hardware store and I could make it for cheaper, which was not the case. I 100% will recommend, and will purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2020
★★★★★ 5
Real steel pipe
Size: O Desk Unfinished 3/4-in and 1/2-in
This pipe table leg set was great. It's real steel pipe like from the hardware store. It does have a layer of oil on it so that must be stripped using dawn or some other degreaser before handleing and painting. It is also offset in the middle bar so if you use it as a desk you get more leg clearance. I used it as a table base so I bought matching middle braces to set the middle support in the center of the table. Once together it looks great. I highly recommend getting this if you want a good quality pipe base.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2023
★★★★★ 5
Price / Quality - Office Desk - Perfect
Size: H Desk Unfinished 3/4-in and 1/2-in
Purchased two sets to create a custom L shaped desk for the office. Placed a pine stained top. Perfect to handle a monitor, multiple laptops, normal office equipment. Extra benefit is the cross piece at the bottom as a foot rest. Very sturdy while sitting on carpet. Compared to normal pipe material purchased in large box store -- could not have asked for a better product for the price. Looking at other products for additional projects for around the house for the product and vendor. - Highly Recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2021
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