SKU: 16227113060

Ronstan Series 40 All Purpose Block - Single - Stand Up [RF41140]

Sale price$32.51 Regular price$36.12
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

Ronstan Series 40 All Purpose Block - Single - Stand Up [RF41140]Series 40 All Purpose Block Single Stand Up All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock universal head can be fixed in either of two

Series 40 All Purpose Block - Single - Stand Up

All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing. Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.

Features:

  • Exceptionally high working loads
  • Low maintenance, long service life
  • Self-lubricating sheave
  • Captive Lock™ universal head
  • Mount with 2 x 5mm (3/16") fasteners (not supplied)


Applications:
  • Mainsheet
  • Halyard
  • Vang
  • Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8M(26')


Materials:
  • U.V. stabilized Acetal sheaves
  • Impact and U.V. resistant, fiber reinforced Nylon cheeks
  • Grade 316 stainless steel bearing race
  • Grade 316 stainless steel load strap and head fitting


Specifications:
Sheave Ø: 40mm(1-9/16")
Max. Rope Ø: 10mm(7/16")
M.W.L.: 400kg(880lbs)
B. L.: 800kg(1,760lbs)
Weight: 72g(2.5oz)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 16227113060

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4.9 ★★★★★
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Marsha Akuna
Battle Creek, US
★★★★★ 4
serves it purpose
Color: Beige
If this item could have been adjustable with the height. perfect addition for privacy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 26, 2024
V
Verified Purchase
Visitor
Draper, US
★★★★★ 3
Window blocker
Color: Black
This is a nice blocking items, or to block windows. The worst part is putting it together, not an easy task. Nothing is labeled, it’s like a guessing game, it is still loose and crooked.
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Reviewed in the United States on August 31, 2025
K
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Kysha
Whiting, US
★★★★★ 1
Don’t waste your money please
Color: Black, Color: Black
This was the absolute worst. Trying to assemble this was a total headache. None of the pieces seem to match and the end result was just horrible.
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Reviewed in the United States on April 4, 2026
A
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Alejandro
Lexington, US
★★★★★ 1
Package missing parts
Color: Grey
Package did not come with screw set
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Reviewed in the United States on January 2, 2026
A
Verified Purchase
A.Rahman
Phoenix, US
★★★★★ 5
Excellent
Size: 3 Panels, Color: Grey
Very good quality, sturdy, and easy to install. Blocks light very efficiently; non-see-through fabrics. Excellent quality for the price. Highly recommend it.
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Reviewed in the United States on April 30, 2026

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