SKU: 21175504288

Ronstan Series 40 All Purpose Block - Single - Stand Up

Sale price$32.51 Regular price$36.12
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Ronstan Series 40 All Purpose Block - Single - Stand UpSeries 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 : 40mm(1-9/16")
Max. Rope : 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: 21175504288

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Clinton
Draper, US
★★★★★ 5
Fit
Size: 10.5, Color: Optic White/Navy Blazer/Optic White
Fits snug and looks good
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Reviewed in the United States on May 4, 2026
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CesarGPhoto
Draper, US
★★★★★ 5
Absolutely great
Size: 10, Color: Navy Blazer/British Tan/Ivory
Bought these for an Italy trip to dress up in a dressy casual style. Walked 20k+ steps daily in these for 13 days straight and my feet were comfortable all day long. Highly recommended.
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Reviewed in the United States on April 11, 2026
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Manuel Montes
Belleville, US
★★★★★ 5
Muy comodo
Size: 10, Color: Optic White/Navy Blazer/Optic White
Muy buen acabado, la asuela es muy suave para caminar
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Reviewed in the United States on April 23, 2026
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Juan José
Fort Morgan, US
★★★★★ 5
Cómodos
Size: 8.5, Color: Black/British Tan/Ivory
Perfecto de acuerdo a lo solicitado. Muy cómodos, livianos.
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Reviewed in the United States on April 22, 2026
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Luis N
Pawtucket, US
★★★★★ 5
Perfect
Size: 9, Color: Optic White/Navy Blazer/Optic White
Great and comfortable
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Reviewed in the United States on March 14, 2026

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