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Ronstan Series 40 Ball Bearing Block - Single Upright Lead - RF40171

Marsoni M251S
Sale price$46.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Ronstan Series 40 Ball Bearing Block - Single Upright Lead - RF40171Series 40 Ball Bearing Block Single Upright Lead Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Applications: Typically used for halyards at the mast base. Materials: Acetal ball
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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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4.5 ★★★★★
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Rachel A Marvel
Port Orchard, US
★★★★★ 5
Just what we were looking for.
Been buying these latex foam pillows for years. Definitely less firm due to it being “extra soft”. Soft and still somewhat supportive. Is not hot either. So glad I can still buy these pillows.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2026
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Gmaw4
Louisville, US
★★★★★ 5
Pillow
Size: Queen (Mid Loft)
Perfect pillow - very comfortable!
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Reviewed in the United States on March 17, 2026
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Verified Purchase
Richard B.
Houston, US
★★★★★ 5
Good quality latex pillow
Size: Standard (Mid Loft)
Good latex pillow, sent back because wife said it’s too stiff for her
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Reviewed in the United States on January 19, 2026
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Beth
Los Angeles, US
★★★★★ 5
The best pillow ever!
Size: Standard (Mid Loft)
This is the best most comfortable pillow! I love it!
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Reviewed in the United States on May 4, 2026
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Vicky L. Gibney
Pawtucket, US
★★★★★ 3
Talay Latex Pillow
Size: Standard (Mid Loft)
Quality cushion but not comfortable for me to sleep on. Arrived promptly
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Reviewed in the United States on April 13, 2026

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