SKU: 40251558358

Ronstan Series 40 All Purpose Block - Single - Universal Head

Sale price$23.95 Regular price$26.61
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

Ronstan Series 40 All Purpose Block - Single - Universal HeadSeries 40 All Purpose Block Single Universal Head 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

Series 40 All Purpose Block - Single - Universal Head

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


  • Slotted pin shackle eliminates fouled lines



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")
Pin : 5mm(3/16")
M.W.L.: 400kg(880lbs)
B. L.: 1,000kg(2,200lbs)
Weight: 71g(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: 40251558358

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AuntBerBer83
Grantham, US
★★★★★ 3
Small but Functional
Small, but works for what little bit of jewelry I wear!
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Reviewed in the United States on August 12, 2025
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niresha allen
Los Angeles, US
★★★★★ 5
Awesome
Organization is good fit for all my jewels
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Reviewed in the United States on March 26, 2026
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April Hollars
Pawtucket, US
★★★★★ 5
Gorgeous Tiffany-Blue & Perfect for Travel
I absolutely adore this little jewelry case. I don’t have a huge jewelry collection, so the size is perfect for me. It keeps everything organized without being bulky. The zipper feels very sturdy and smooth — not flimsy at all. And for anyone who loves Tiffany’s blue… the color is almost an exact match. I can set it next to my Tiffany box and it’s nearly identical. It’s such a pretty, luxe-looking shade. Highly recommend.
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Reviewed in the United States on February 18, 2026
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Verified Purchase
BRENDA C
Grantham, US
★★★★★ 5
Convenient
This is great to take with you if you’re going out of town. It’s easier to keep track of your jewelry. It doesn’t take up much room, but holds several rings earrings and three necklaces.
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Reviewed in the United States on April 6, 2026
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Verified Purchase
Theresa
Boise, US
★★★★★ 5
Compact space saver jewelry case
Color: Pink
This is a small but compact jewelry case. Love that it holds all your special items, and you can grab and go anywhere with it! Love the pink color and that it has a zipper to keep the jewelry from falling out .
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Reviewed in the United States on May 7, 2026

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