SKU: 87301849413

Ronstan Series 40 Orbit BB Double Block w/Becket Swivel Shackle [RF48210]

Sale price$90.09 Regular price$100.10
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Description

Ronstan Series 40 Orbit BB Double Block w/Becket Swivel Shackle [RF48210]Series 40 Orbit BB Double Block with Becket & Swivel Shackle The Series 40 ball bearing Orbit Blocks provides the perfect balance of strength, performance, and reliability. They offer class leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks the perfect balance of

Series 40 Orbit BB Double Block with Becket & Swivel Shackle

The Series 40 ball-bearing Orbit Blocks™ provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks - the perfect balance of performance and reliability.

As well as traditional single swivel blocks, the range includes single and double sheave lashing or soft attachment options through to multiple sheave blocks including those with quad and quin sheaves. The range is highly versatile allowing a multitude of possible systems right up to a 12:1 purchase mainsheet system for off-the-beach performance catamarans.

Series 40 Orbit Blocks™ are fitted with our carbon-reinforced C-Cleat™ for secure rope holding with low entry and exit efforts, and fairleads for fast action from any angle. Cleat arms are made from stainless steel and adjustable for setting your preferred cleating angle.

Ball Bearing versions incorporate our 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.

High Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave & hub together with a triple bearing race to maintain low friction at very high loads.

Features:

  • Class-leading dynamic and static load ratings
  • Lightweight, yet strong. Toughened, glass fiber reinforced nylon replaces stainless steel straps used in our traditional utility blocks
  • Low friction 2-stage ball bearing system for efficient and effortless trimming
  • Soft attachment, lashing and traditional swivel shackle head options
  • Low profile and compact
  • High performance cleating

Applications

  • Mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)
  • Halyard, vang and backstay applications on boats to 9m (30ft)
  • Control line applications on larger yachts

Specifications:

  • Sheave Ø: 1-9/16 in.
  • Max. Rope Ø: 3/8 in.
  • Pin Ø: 5/32"
  • M.W.L.: 1320 lb.
  • B. L.: 2650 lb.
  • Weight: 4.6 oz.
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: 87301849413

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Yela
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★★★★★ 5
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Size: Size 5, Unit Count: 56, Size: Size 5, Unit Count: 56
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Reviewed in the United States on May 1, 2026
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Ariah Baber
New York, US
★★★★★ 4
Great swaddlers alternative when the Velcro became an issue
Size: Size 3, Unit Count: 136
I bought these because my daughter (12 months) started undoing the Velcro on her diapers, even through her clothes. Finding her soaking wet enough times led me to look for a solution. I really like these and will enjoy them until she finds her way out of them. They’re just as absorbent as Swaddlers and the overnights, and she never gets a rash in them. Only downside is the blowout barrier on the legs is much smaller, so she does have some blowouts out the side. The Swaddlers has more material there to prevent blowouts. These are also cheaper than Swaddlers and overall great quality. Soft and absorbent and I don’t have to worry about her even through a 13 hour sleep at night. That thing will weigh 5lbs when I pull it off her but it doesn’t leak! These are going to be our go to diapers as long as she doesn’t learn to pull them off.
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Reviewed in the United States on April 26, 2026
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Ksenia
Boise, US
★★★★★ 5
Great fit and very convenient for active babies
Size: Size 4, Unit Count: 64, Size: Size 4, Unit Count: 64
These diapers are a great option, especially for active babies. The 360 design makes them easy to pull on and off, which is really convenient during quick changes. They fit well without feeling too tight and provide good coverage. Absorbency is solid, keeping things dry for a good amount of time. The material feels soft and comfortable on the skin. I also like how easy they are to dispose of after use. Overall, a reliable and convenient choice for everyday use.
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Reviewed in the United States on April 8, 2026
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sheilam
New York, US
★★★★★ 5
Good product
Size: 9 Count (Pack of 1)
My dog loves these treats! Limited ingredients, which is why I purchased them. They are a good size for my small dog. Since it has limited ingredients ts healthy
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PLI
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★★★★★ 5
Our pups' absolute favorites!
Size: 9 Count (Pack of 1), Size: 9 Count (Pack of 1)
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