


Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top - RF20141
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top - RF20141Series 20 Ball Bearing Block Single, Stand Up Loop Top 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 Traveler controls Materials: Stainless steel ball bearings UV stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
The shelf is sturdy and relatively easy to asseble.
The instructions were relatively easy to follow, and the assembly took about an hour to complete. The shelf is sturdy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 28, 2025
★★★★★ 5
Great quality
Color: Black
Bought this for my son's room granted he is a 21 or old gamer but he loves it . Very good quality. Would definitely buy again.
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Reviewed in the United States on April 7, 2026
★★★★★ 4
Perfect
Color: Sliver Gray
You should onky use hand screwdriver not a power one. At least til it's all tight already.
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Looks really nice
Color: Black
Nice shelf, does not take too much space and looks really nice. I purchased mine in black and have it in the kitchen. Easy to put together only downside is that a few of the attachments did not have a hole to screw the side frame together. Other than that, the shelf is worth it.
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Reviewed in the United States on November 26, 2024
★★★★★ 5
Easy to assemble
Great purchase
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Reviewed in the United States on May 16, 2026