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Description
Ronstan Series 40 BB Orbit Quin Block w/ Swivel ShackleProduct Description Ronstan Series 40 BB Orbit Quin 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 Quin 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 - 8.5 oz. (241g)
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 - 8.5 oz. (241g)
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
4.0 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
A fun toy
Color: Orange
Our 6 week old pup is having a blast with this toy. It resembles a dying bird, so don't get it if that bothers you. It tweets and spins and flops with 3 different settings. Rechargeable is a bonus. The rope may not last long, but it is replaceable with paracord. Well worth the $10.
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Reviewed in the United States on May 18, 2026
★★★★★ 3
Choose another option
Color: Blue
Im glad i didnt buy this at full price. Fully charged and I kept having to charge it everyday, sometimes 2xs a day. The rope and loop is sturdy enough to last through his incessant chewing and now he just tosses it around n bops it with his nose. 3 functions were cool. I just wish this stayed charged for longer periods. I bought this as his crate toy vs eating his bed lol it was fun while it lasted
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Reviewed in the United States on December 11, 2025
★★★★★ 2
Won't buy again
Color: Blue, Color: Blue
Worked like it should, but scared my dog and he ate the rubber. Had it out of the box for less than an hour.
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Reviewed in the United States on October 12, 2025
★★★★★ 5
Great interactive toy
Color: Blue
I give this 5 stars because I have no issues at all. We've had it for 3 months and still going strong. Battery lasts a few days. It has 3 different settings and goes to sleep after 5 minutes so I just open it up and turn it on again. I charge it on my android charger. Charges really fast. My dog (pomeranian) loves the ropes and she gets an enormous amount of exercise from it when I can't take her out for a walk.
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Reviewed in the United States on February 15, 2026
★★★★★ 1
Only lasted a couple of days
Color: Blue
Great and my puppy loved it but it only lasted 3 days and now won’t hold a charge
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Reviewed in the United States on June 7, 2026