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Description
Ronstan Orbit Series 60 Single BlockProduct Description Ronstan Orbit Series 60 Single Block Features The highest strength to weight ratio Minimal friction loss, especially when working at high loads Totally reliable and trouble free performance Simplicity of design and construction to facilitate maintenance and servicing Elegant, functional styling and finish. Lockable swiveling head post High strength forged shackle Sheave 2 3 8 in. Max. Rope 1 2 in. Max. Wire in. Pin 5 16 in. Max.
Product Description
Ronstan Orbit Series 60 Single Block
Features
The highest strength-to-weight ratio
Minimal friction loss, especially when working at high loads
Totally reliable and trouble free performance
Simplicity of design and construction to facilitate maintenance and servicing
Elegant, functional styling and finish.
Lockable swiveling head post
High strength forged shackle
Sheave Ø - 2 3/8 in.
Max. Rope Ø - 1/2 in.
Max. Wire Ø - in.
Pin Ø - 5/16 in.
Max. Working Load - 4410 lb
B. L. - 9280 lb
Weight - 9.2 oz
Product Information
Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon® needles – achieving a substantially higher strength-to-weight ratio.
Head posts of swivel blocks can be locked at 0 or 90 degrees.
Applications
Primary mainsheet, halyard and spinnaker systems on boats to 12m (40ft)
Secondary mainsheet, vang systems on boats to 14m (46ft)
Standard and running backstay systems on boats to 10m (33ft)
General control line and lead block applications on larger yachts
Materials
Fully machined Alloy cheek plates
Alloy sheaves with captive ball races
Torlon® needle rollers
Carbon black Acetal ball bearings
Forged grade 17-4PH stainless steel shackles
Grade 316 stainless steel head post
Features
Sheave Ø - 2 3/8 in.
Max. Rope Ø - 1/2 in.
Max. Wire Ø - in.
Pin Ø - 5/16 in.
Max. Working Load - 4410 lb
B. L. - 9280 lb
Weight - 9.2 oz
Product Information
Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive Acetal ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon® needles – achieving a substantially higher strength-to-weight ratio.
Head posts of swivel blocks can be locked at 0 or 90 degrees.
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
4.6 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Difficult to destroy. Bounce really high.
Style: Squeaker, Size: Small (2 Pack)
Bought as a gift for a friend's small dog who dismantles tennis balls. He loves them. I have many years of experience with the product (in a larger size) for my big dog. He always had one either in his mouth or near him. They are pretty much indestructible.
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Reviewed in the United States on May 13, 2026
★★★★★ 4
High quality, wish it was just a little smaller
Style: Squeaker, Size: Small (2 Pack)
Love these. My dogs would play ball all day if I let them. These are very durable and bouncy. Love that it’s washable. They would chew up the small “tennis” balls to pieces so I love that they can’t destroy these. My only criticism is I wish these were just a little smaller (like the size of the small Kong tennis balls). My dogs can carry it in their tiny mouths but they can’t get their mouth around it enough to chew it to get the squeaker to squeak, which is their favorite thing.
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Reviewed in the United States on January 5, 2026
★★★★★ 5
Perfect for little dogs
Style: Ultra, Size: Small (2 Pack)
Perfect size for my 13 pound chihuahua mix. Great bounce and quality feel. Definitely worth it.
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Reviewed in the United States on March 26, 2026
★★★★★ 5
The perfect ball for a small to medium dog.
Style: Ultra, Size: Small (2 Pack)
My dog's favorite ball. Perfect size for playing catch and return for a small dog. She loves to chew on the ball. Very durable she has not been able to shred the ball.
A great entertainment value. This ball does not squeak.
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Reviewed in the United States on February 27, 2026
★★★★★ 5
High quality, dogs love them
Style: Ultra, Size: Medium (1 Pack)
My dogs are obsessed with these balls! We've had them for months and they're still good as new. High quality!
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Reviewed in the United States on April 5, 2026