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Description
Ronstan Series 40 Single Stand-Up All Purpose BlockProduct Description Ronstan Series 40 Single Stand Up All Purpose Block Features Exceptionally high working loads Low maintenance, long service life Self lubricating sheave Captive Lock universal head Sheave 1 9 16 in. Max. Rope 7 16 in. Max. Cable in Pin in. M. W. L. 880 lb. B. L. 1760 lb. Weight 2. 5 oz. Product Information All purpose (AP) blocks are a great all around solution. Self lubricating Acetal polymer sheaves running on polished stainless
Product Description
Ronstan Series 40 Single Stand-Up All Purpose Block
Features
Exceptionally high working loads
Low maintenance, long service life
Self-lubricating sheave
Captive Lock™ universal head
Sheave Ø - 1 9/16 in.
Max. Rope Ø - 7/16 in.
Max. Cable Ø - in
Pin Ø - in.
M.W.L. - 880 lb.
B. L. - 1760 lb.
Weight - 2.5 oz.
Product Information
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
Applications
Mainsheet
Halyard
Vang
Spinnaker control lines on off-the-beach catamarans, one design classes and sports boats up to 8m (26ft)
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
Impact and UV resistant, fiber reinforced Nylon cheeks
Features
Sheave Ø - 1 9/16 in.
Max. Rope Ø - 7/16 in.
Max. Cable Ø - in
Pin Ø - in.
M.W.L. - 880 lb.
B. L. - 1760 lb.
Weight - 2.5 oz.
Product Information
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
Applications
Materials
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
4.0 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 4
22" neck With good length sleeve relaxed and bent
Size: 22" Neck 37"-38" Sleeve, Color: Flame
22" neck With good length sleeve relaxed that didn't walk up forearm when arm was bent.
For a fitted shirt. 22" neck was true to size but the waist is still quite large. Even with creative folding it was noticeably large waisted.
Fabric is high quality and vivid color that should last.
Price is Fair and a good value for this shirt.
Buttons fit easily into the holes but are secure and won't come out too easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 8, 2025
★★★★★ 5
Nice shirt
Size: 17.5" Neck 35"-36" Sleeve, Color: Black
Fits as sized. I'm a musician, so this is very important. Good quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Good fit and fabric quality, and the button color doesn't stick out too much.
Size: 17" Neck 35"-36" Sleeve, Color: Black
Unlike some competitor shirts, the buttons in these are not BRIGHT white. (Subtle buttons are better for my usee.) Fit and fabric quality are both very good.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Happy Shirt
Size: 20" Neck 37"-38" Sleeve, Color: Grey Stone
A good fitting dress shirt although it's not tailored but when you're big you don't get a lot of choices but I got it for the next size and it's comfortable it's loose and it wears well press it out and very good dress shirt..
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Reviewed in the United States on October 13, 2025
★★★★★ 5
Great purchase
Size: 19" Neck 37"-38" Sleeve, Color: White
Great value. Wrinkle resistant. Good sleeve length. Comfortable and soft. Not too see through.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
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