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Description
Ronstan Series 40 BB Orbit Quad Block w/ Swivel ShackleProduct Description Ronstan Series 40 BB Orbit Quad Block w Swivel Shackle Features Class leading dynamic and status load rating Lightweight, yet strong. Toughened, glass fibre 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
Product Description
Ronstan Series 40 BB Orbit Quad Block w/ Swivel Shackle
Features
Class leading dynamic and status load rating
Lightweight, yet strong. Toughened, glass fibre 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
Specifications
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in. (mm)
Pin Ø - 5/32 in. (5mm)
Max. Working Load - 1320 lb. (600kg)
B. L. - 2650 lb. (1200kg)
Weight - 6.8 oz. (192g)
Product Information
The new Series 40 ball bearing Orbit Blocks™ provide 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 fibre 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 also 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 extremely 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 are adjustable for setting to 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.
Applications
Mainsheet systems on spinnaker sheet on dinghies
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
Materials
Frame/cheeks: Toughened, glass fibre reinforced nylon.
Head fittings, hubs & fasteners: Grade 316 stainless steel.
BB Sheaves and balls: High compression strength acetal.
Features
Sheave Ø - 1 9/16 in. (40mm)
Max. Rope Ø - 3/8 in. (10mm)
Max. Cable Ø - in. (mm)
Pin Ø - 5/32 in. (5mm)
Max. Working Load - 1320 lb. (600kg)
B. L. - 2650 lb. (1200kg)
Weight - 6.8 oz. (192g)
Product Information
The new Series 40 ball bearing Orbit Blocks™ provide 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 fibre 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 also 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 extremely 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 are adjustable for setting to 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.
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
4.3 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
THIS STUFF WORKS!!!!!!
First of all - RUN, DON’T Walk & get this. IT WORKS!!! I kid you NOT, that I can literally feel sprouts of hair growing out of the roots of my head! After washing my hair And drying it, I part my hair into several sections and gently massage it into my scalp. After at least a day or so, I can feel the tickle in my scalp, it feels like grass slowly growing. I have plenty of hair, but I would love to actually see this product used on someone who doesn’t have hair like me. I am using the product because of a thinning spot that I have from a sew-in that I have had multiple times, and getting it parted in the same area for over a period of time. You can Not beat this product, especially for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
★★★★★ 1
Don't not purchase!!!!
Color: A
This is product has over ingredients, its made in China and the shelf life is 3 years! No naturall product has a shelf life of a 3 years or any storing instructions. Just an FYI when buying any product, the ingredient that's the most in the product is the first on this list of ingredients WATER is the first, Batana Oil is second to the last. the packaging say 100%, 100% what? Its truely not Batana Oil. I am sending this back ASAP and working on my own mix for my hair growth. I am dealing with scared alopecia and have been searching for things to help with my hair growth. I am tried of companies thinking they will take my money. I was not able to see the ingredients until I recieved the package, which is not a terriable way to sell a product.
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Reviewed in the United States on October 5, 2024
★★★★★ 5
We love this stuff
Color: A, Color: A
My baby had an infection in his hair that he got once he started daycare. We tried everything to kill the fungus. It got so bad I had to take him to the doctor and they finally gave him some antibiotics and medicated shampoo. His head was so sore and tinder he didn’t want anyone to touch his head. So imagine trying to wash his hair everyday. The shampoo killed the fugus and took his hair out where it was. I purchased this product. IT REALLY WORKS!!!!!! We’ve been using it a few weeks and we definitely see a difference.
P.S I went and purchased the whole set
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Reviewed in the United States on April 9, 2025
★★★★★ 4
I like it
Color: A
I'm unsure how it affects hair growth since I've only had one jar. It does leave hair moisturizedand soft. It has a really nice scent.
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Reviewed in the United States on May 9, 2025
★★★★★ 5
Love this product!
Color: A
This really keeps the hair moisturized. Don’t use it too much because it causes build up. You can use as a conditioning treatment and wash it out or you can use it as a moisturizer.
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Reviewed in the United States on May 24, 2025