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Description
Ronstan Orbit Series 55 Single Swivel Head Block w/ CleatProduct Description Ronstan Orbit Series 55 Single Swivel Head Block w Cleat Features Automatic and Manual ratchet in one block Up to 20: 1 holding power Smooth easing of sheets High performance cleating Sheave 2 5 32" + 1 3 8" (55 + 35 mm) Max. Rope 3 8" (10 mm) Max. Cable in. (mm) Pin in. (mm) M. W. L. 1100 lb. (500 kg) B. L. 2200 lb. (1000 kg) Weight 7. 2 oz (204 g) Product Information Automatic ratchet block Now you can enjoy the flexibility of
Product Description
Ronstan Orbit Series 55 Single Swivel Head Block w/ Cleat
Features
Automatic and Manual ratchet in one block
Up to 20:1 holding power
Smooth easing of sheets
High performance cleating
Sheave Ø - 2 5/32" + 1 3/8" (55 + 35 mm)
Max. Rope Ø - 3/8" (10 mm)
Max. Cable Ø - in. (mm)
Pin Ø - in. (mm)
M.W.L. - 1100 lb. (500 kg)
B. L. - 2200 lb. (1000 kg)
Weight - 7.2 oz (204 g)
Product Information
Automatic ratchet block
Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism can be switched on or off as required. This is the preferred mainsheet set-up for may top sailors. Try the block in both modes and see which you prefer - you really can't go wrong.
Selected Series 55 models.
Awesome ratchet block holding power
Quite simply, Ronstan Ratchet Orbit Blocks™ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with an angled resistance to line movement. Our Generation 2 design has straight resistance faces which both distribute the load and minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load.
Materials
Sheave: Hard anodized Aluminum
Ball Bearings: High compression strength carbon black Acetal
Frame/Cheeks: Toughened, glass fibre reinforced Nylon
Rope Link: UV stabilised, multi-strand impregnated SK75 Dyneema®
Features
Sheave Ø - 2 5/32" + 1 3/8" (55 + 35 mm)
Max. Rope Ø - 3/8" (10 mm)
Max. Cable Ø - in. (mm)
Pin Ø - in. (mm)
M.W.L. - 1100 lb. (500 kg)
B. L. - 2200 lb. (1000 kg)
Weight - 7.2 oz (204 g)
Product Information
Automatic ratchet block
Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes*. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers. In manual mode, the ratchet mechanism can be switched on or off as required. This is the preferred mainsheet set-up for may top sailors. Try the block in both modes and see which you prefer - you really can't go wrong.
Awesome ratchet block holding power
Quite simply, Ronstan Ratchet Orbit Blocks™ have the highest holding power available. The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry. Its holding power is up to 21:1, almost double that of our nearest competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes have only 8 faces with an angled resistance to line movement. Our Generation 2 design has straight resistance faces which both distribute the load and minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load.
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
4.2 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Great toy that's a real hit so far!
Color: YELLOW
This squeaky goose has been a total hit and, more importantly, it actually passed the "German Shepherd test." It is always a gamble with plush toys and large breeds, but this one has stayed completely intact after several play sessions. Even with all the shaking and carrying around, the seams are holding up perfectly and the squeaker is still going strong. The combination of the squeak and the crinkle wings keeps things interesting, and the material feels much more durable than your average stuffed toy. If you have a powerful chewer who still loves a soft toy to carry around, this is a great, resilient option that won't fall apart immediately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Not recommended for large breeds
Color: YELLOW
My pitty had fun with it and interacted with it. Unfortunately she destroyed it within in 20 minutes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
The cutest softest, quack, quack
Color: PINK
My seven year-old full octane energy 12 pound dog is obsessed with ducks every toy that she’s ever gotten really attached to has been a duck and I bought the same exact up from a different store at least a dozen times because she was obsessed with it. But as soon as she would get the noisemaker out of it, it was time for anyone.
But it was so cheaply made I decided to start getting her different ducks that were supposed to be harder to destroy, and we still have a graveyard of destroyed ducks. But this one she doesn’t wanna destroy it. It only has one little squeaker is what I call it so she doesn’t care to try to tear it open and take it out.
The material is extremely lush and soft and it is incredibly adorable. I don’t really know what makes it an interactive toy though, but I recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 1
Puppy destroyed in days
Color: PINK, Color: PINK
My 5 1/2 month old Maltese destroyed this toy in a few days so I would definitely say it is not chew resistance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 8, 2026
★★★★★ 2
Toy
Color: GREEN
Lasted 30min joke
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
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