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Ronstan Series 15 Ball Bearing Utility Block - Upright Lead Block - RF15171

Marsoni M251S
Sale price$19.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Ronstan Series 15 Ball Bearing Utility Block - Upright Lead Block - RF15171Series 15 Ball Bearing Utility Block Upright Lead Block Features: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance & low friction Single loop head blocks include an O ring to separate running line from head lashing or fixing Applications: Dinghy control lines Vangs, cunninghams and tweakers Shock cord tensioning systems Materials: BB sheaves: UV
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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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4.6 ★★★★★
Based on 299 reviews
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Verified Purchase
Jacob Lingeman
Grantham, US
★★★★★ 2
Wobbly
Size: 38"Height × 14" Wide
Look great but they are not solid. Table is super wobbly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 21, 2025
M
Verified Purchase
MJ
Lowell, US
★★★★★ 5
Modern, Sturdy, and Perfect for Outdoor Projects
Size: 38"Height × 14" Wide
These metal pipes made fantastic table legs for our outdoor wood table. They have a sleek, modern look that feels high-end. We sprayed them with Rust-Oleum for added protection, and they’ve held up great. Solid, stylish, and functional—highly recommend for any DIY furniture project!
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Reviewed in the United States on June 25, 2025
N
Verified Purchase
Nana V
Natrona Heights, US
★★★★★ 1
Wobbly
Size: 38"Height × 14" Wide
Not sturdy
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Reviewed in the United States on February 28, 2026
A
Verified Purchase
Amanishakheto
Omaha, US
★★★★★ 5
Would Buy Again
Size: 31.5 Inch, Color: Rustic Brown
Easy to put together and looks great. Sturdy and matches my other shelves.
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Reviewed in the United States on April 7, 2026
F
Verified Purchase
Fred Mauroner
Los Angeles, US
★★★★★ 5
Great for bathrooms
Size: 24 Inch, Color: Rustic Brown
Great little bathroom shelf. I needed something smaller than a cabinet and aesthetically pleasing. It works perfect for smaller bathrooms lacking cabinet space.
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Reviewed in the United States on February 16, 2026

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