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Description
Ronstan Series 40 RT Orbit Triple Block w/ Swivel Head, Becket & CleatProduct Description Ronstan Series 40 RT Orbit Triple Block w Swivel Head, Becket & Cleat 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
Product Description
Ronstan Series 40 RT Orbit Triple Block w/ Swivel Head, Becket & Cleat
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 - 5/16 in. (9mm)
Max. Cable Ø - in. (mm)
Pin Ø - 5/32 in. (5mm)
Max. Working Load - 1320 lb. (600kg)
B. L. - 2650 lb. (1200kg)
Weight - 9.5 oz. (270g)
Line load through cleat not to exceed 125kg (275lb)
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 - 5/16 in. (9mm)
Max. Cable Ø - in. (mm)
Pin Ø - 5/32 in. (5mm)
Max. Working Load - 1320 lb. (600kg)
B. L. - 2650 lb. (1200kg)
Weight - 9.5 oz. (270g)
Line load through cleat not to exceed 125kg (275lb)
Total block load Becket MWL 400kg (880lb), BL 800kg (1760lb)
Product InformationThe 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
4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Would repurchase
Size: 8, Color: Beige
Perfect for a communion. Would absolutely recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Perfect
Size: 7, Color: Light Blue
Love it . Good quality . Value for money . Perfect color . R sizing
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
★★★★★ 5
Calidad en Tela y presentación.
Size: 10, Color: Beige
El Traje divino, tal como la imagen. Solo le quedó un tris grande a mi hijo y listo.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 4
⭐️⭐️⭐️⭐️⭐️ Perfect for My Suit-Loving 9-Year-Old 🤍👔✨
My 9-year-old is obsessed with suits, and this one was a total win! 😍 The 3-piece set (blazer, vest, and pants) makes him feel so grown-up and confident. The linen material is lightweight and breathable, which is perfect for warm weather ☀️ — and it doesn’t wrinkle easily, which I appreciate as a parent 🙌.
He loves that he can wear it different ways — full suit, just vest and pants, or blazer and pants. 👌 The fit looks sharp, and the adjustable waist is super helpful.
Perfect for weddings, school events, church, or any time he wants to dress to impress. 💙 Definitely a favorite in our house! 🎉
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
★★★★★ 5
Adorable special occasion suit for boys
Size: 5, Color: Light Blue, Size: 5, Color: Light Blue
I ordered this 3-piece suit for my son and even though it’s currently a little too big for him, I couldn’t resist keeping it because it’s absolutely adorable! The quality really impressed me right out of the package. The fabric feels lightweight and breathable, which will be perfect for warmer weather, and it has a nice polished look without feeling stiff.
The set comes with a blazer, vest, and pants, and each piece is very well made. I love the little details like the lapel on the jacket, the adjustable strap on the vest, and the adjustable waist on the pants, which will definitely help as he grows. It looks like a much more expensive suit than it actually is.
Even though my son will have to grow into it, I’m already excited for him to wear it. I’m thinking it will be perfect for Easter next year or any special occasion. It’s such a cute outfit, and I love that the pieces can be mixed and matched for different looks. Overall, I’m really happy with this purchase and can’t wait to see him wearing it! The blue color goes well for any occasion and I may have to order my husband a suit in matching shade of blue so they can be twins.
The size looks accurate for boys 5T. I took a picture to show the pants next to a pair of unwashed Oshkosh B’Gosh brand straight leg 5T boys denim jeans.
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Reviewed in the United States on March 11, 2026
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