Skip to content

Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171

Marsoni M251S
Sale price$44.99
Pay 4 payments of $11.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171Series 50 All Purpose Block Single Upright Lead Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire Applications: Typically used for halyards at the mast base. Materials: UV stabilized acetal sheave Grade 316 stainless steel load housing
Easy Shipping

Quick Dispatch:

Your Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171 orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171 ships.

Need Help?
Questions about Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Ronstan Series 50 All Purpose Block - Single Upright Lead - RF51171 in your area.

Get Shipping Estimates

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
4.6 ★★★★★
Based on 1553 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jon
Chelsea, US
★★★★★ 5
good for big wrists
my wrist is almost 9 inches so some choices are too small. plus I like a slightly loose fit rather than snug. it's beautiful just like the pictures. happy with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2022
S
Verified Purchase
Sahra Salinas
Natrona Heights, US
★★★★★ 5
Husband loved the watch
Husband loved it! Very nice and heavy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
Z
Verified Purchase
Zujely Del Rosario
Omaha, US
★★★★★ 5
Es igual como se muestra en la imagen
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025
R
Verified Purchase
Ramón Valdiviezo
Dallas, US
★★★★★ 5
Great watch on that price
Amazing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 1, 2025
T
Verified Purchase
T-Rock
Grantham, US
★★★★★ 5
Confident sweater
Good quality and fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026

recommand products