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Description
Ronstan Nylatron Sheave Box - Single Upright Lead BlockNylatron Sheave Box Single Upright Lead Block Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. When mounted in an inverted position, are frequently used as upright leads. Features: The external tabs can be formed to fit the spar profile before fastening Applications: Typically used in dinghy spars for control lines such as outhauls Materials: Nylatron sheave Grade 316 stainless steel
Nylatron Sheave Box - Single Upright Lead BlockLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads.
Features:
The external tabs can be formed to fit the spar profile before fastening
Applications:
Typically used in dinghy spars for control lines such as outhauls
Materials:
- Nylatron® sheave
- Grade 316 stainless steel load housing
Specifications:
Sheave Ø: 22mm(7/8")
Max. Rope Ø: 3mm(1/8")
Max. Cable Ø: 3mm(1/8")
Fastener Ø: 5mm(3/16")
M.W.L.: 160kg(350lbs)
B. L.: 350kg(700lbs)
Weight: 30g(1.1oz)
Manufacturer : Ronstan
Manufacturer Part No : RF453
UPC : 9316800000425
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 4
Hydrating serum
This product is not as hydrating as it claims for my 56 year old skin. I have to reapply several times a day. There's no irritation or stickiness which is great tho.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
★★★★★ 5
My skin is very hydrated
Very good product
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
★★★★★ 5
dry sensitive skin will thank you
For dry, sensitive skin Avene products do wonders!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 20, 2025
★★★★★ 5
I love this
Color: White, Size: Small
This is gorgeous. It adds so much to my bookshelves. Beautiful and high quality. Gorgeous design
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2025
★★★★★ 5
Bookshelf bust
Color: White, Size: Small
This was smaller than I expected, I knew it was 6” but still just thought it would be a little large. But! It looks great on my bookshelf! Well packaged and looks just like the pictures
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
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