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

Marsoni M251S
Sale price$46.99
Pay 4 payments of $11.75 a month.Shop Pay
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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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1299 reviews
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B
Verified Purchase
BiblioLuvR
Draper, US
★★★★★ 5
Very compressive
Size: Large, Color: Pink
Super compressive for girls clothes. Great dress though, my daughter didn't love the feel of the super tight athletic wear feel though.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
S
Verified Purchase
Sherry Graber
San Leandro, US
★★★★★ 5
Check size guide before buying but a great dress!
Size: Medium, Color: Pink
Check size guide before ordering. Had to return for a larger size. Overall great quality, comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026
D
Verified Purchase
D
Charlottesville, US
★★★★★ 5
Size up 1
Size: Medium, Color: Pink
Great dress! It is your typical athletic material. The pink is pretty and matches the picture. Definitely size up 1! My child is a S and I sized up to M based on other reviews. It fits well and is a great length.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
R
Verified Purchase
Randy
Houston, US
★★★★★ 5
Great product
Size: Large, Color: Pink
Good product. Worth the buy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
K
Verified Purchase
Kristin Lane
Natrona Heights, US
★★★★★ 3
Runs Small
Size: Medium, Color: Pink
My daughter usually wears a 7-8. Size 8 pants have to have the elastic pulled tight. I got the size M (8 years). It was way too tight on her. Had to send it back. We did like the way it looked and felt, but just too small.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026

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