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Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
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Description
Ronstan Series 40 Single Orbit Manual Swivel Shackle Head Ratchet BlockFeatures Up to 14: 1 holding power highest available! Smooth easing of sheets Manual ON OFF ratchet selection Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points. Applications Dinghy mainsheet systems Mainsheet fine tune systems on sportsboats & small keel boats Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit Spinnaker and job sheets on dinghies especially
Features
- Up to 14:1 holding power - highest available! Smooth easing of sheets Manual ON/OFF ratchet selection
- Swivel shackle head for unlimited block rotation.
- Stainless steel shackle head and compatibility with sharp fixing points.
Applications
- Dinghy mainsheet systems Mainsheet fine tune systems on sportsboats & small keel boats
- Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit Spinnaker and job sheets on dinghies - especially modern asymmetric classes Control line applications on larger yachts
| Sheave | 40 mm |
| Maximum Rope | 9 mm |
| Maximum Working Load | 175 kg |
| Breaking Load | 500 kg |
| Weight | 38 g |
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
4.1 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
Stretchy Material and Cooling Fabric
Color: Light Gray, Size: Standard, Color: Light Gray, Size: Standard
Material: is very stretchy and cools well. It has a zipper which is good because the fabric is very soft and slippery and if it didn’t have a zipper the pillow would not stay in the case.
Durability: zipper works great and material is easy to clean.
Color: I have the gray and my daughter has the pink. Both colors as advertised.
Value: Good value and I got what I expected.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Very soft and cool.
Color: Dark Gray, Size: Queen
Very comfortable and cooling. But after a couple of washes the stitching starts to unravel.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Love them
Color: Black, Size: Standard
I LOVE THESE PILLOW CASES. I love the zipper so it stays on the pillow, how it stays cool, and the fabric. Worth it 100%
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Reviewed in the United States on June 5, 2026
★★★★★ 5
BUY IT!!
Color: Light Gray, Size: Standard
Love the material super soft and smooth like silk. It’s also nice and cold for when I got to bed! Definitely recommend
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Actually feels cool at night
Color: Light Gray, Size: Standard
I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.
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Reviewed in the United States on May 23, 2026