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Description
Ronstan Series 55 Rachet Orbit Block, Triple Becket Cleat SwivelProduct Description Ronstan Series 55 Ratchet Orbit Block, Triple underhung becket, adjustable cleat, auto, swivel Features Automatic and manual ratchet in one block Up to 20: 1 holding power Smooth easing of sheets High performance cleating Swivel shackle head for unlimited block rotation Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points Ultra low profile integrated beckets Sheave 2 5 32 in. Max. Rope 3 8
Product Description
Ronstan Series 55 Ratchet Orbit Block, Triple underhung becket, adjustable cleat, auto, swivel
Features
Automatic and manual ratchet in one block
Up to 20:1 holding power
Smooth easing of sheets
High performance cleating
Swivel shackle head for unlimited block rotation
Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points
Ultra low profile integrated beckets
Sheave Ø - 2 5/32 in.
Max. Rope Ø - 3/8 in.
Max. Cable Ø - in
Pin Ø - - in.
M.W.L. - 1650 lb.
B. L. - 3310 lb.
Weight - 13.8 oz.
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.
Applications
Mainsheet systems and spinnaker sheets on dinghies, catamarans, sport boats and small keel boats to 9 m (30 ft)
RF55410 when paired with RF56330B and a RF65101 lashed to the becket produces a powerful 8:1 mainsheet system for use on catamarans to 5.5m (18 ft). This can be increased to 9:1 by replacing RF35010 with a RF35202
Halyard, vang and backstay applications on boats a 8m (26 ft)
Control line applications on larger yachts
Materials
sheave: Hard anodised Aluminum
Ball Bearings: high compression strength carbon black Acetal
Frame/Cheeks: Toughened, glass fiber reinforced Nylon
Rope Link: UV stabilized, multi-strand impregnated SK75 Dyneema
Features
Sheave Ø - 2 5/32 in.
Max. Rope Ø - 3/8 in.
Max. Cable Ø - in
Pin Ø - - in.
M.W.L. - 1650 lb.
B. L. - 3310 lb.
Weight - 13.8 oz.
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.
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 2156 reviews
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Product Reviews
★★★★★ 5
Great for Privacy, Just a Little Flimsy
Color: Black, Size: 3 Panel Standard
I recently got this room divider to create a bit more privacy in my home office, and it's been really handy. The thick polyester fabric helps block out distractions, and it's great that it's waterproof, so no worries about spills messing it up. The metal feet keep it stable enough, though I've noticed it can feel a bit wobbly if bumped. It's also super easy to fold and store when not in use, which is a huge plus if you have limited space like I do. Overall, it’s a practical addition, though handling it gently might be a good idea.
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Reviewed in the United States on September 13, 2025
★★★★★ 5
Perfect for Creating Private Spaces Without the Hassle
Color: Black, Size: 3 Panel Standard, Color: Black, Size: 3 Panel Standard
I recently picked up this Kecreque 3-panel room divider because we needed a flexible way to break up space in our garage. I wanted a place to hook up a small tv and play my SuperNES — and honestly, it’s been a fantastic purchase!
First off, it’s bigger than it looks in pictures — fully opened, it stretches over 8 feet wide and stands about 6 feet tall. The panels are made of a thick, waterproof polyester fabric that feels much sturdier than I expected for the price. Plus, the steel frame is scratch- and rust-resistant, and the curved feet make it really stable. (No wobbling or tipping, even when our cats decide to race past it at full speed.)
Assembly was straightforward — my husband did it himself in under 30 minutes with just the included instructions. The panels clip into the frame easily, and you can adjust the angle of each section depending on how much space you want to close off. It’s also surprisingly easy to move and fold up if you need to put it away; I just fold it flat and tuck it into a corner when it’s not in use.
I really appreciate how low maintenance it is too — a quick wipe with a damp cloth has kept it clean. It’s been great for creating a semi-private video game nook, but I can also see it being perfect for an office, a church event, or even a kids’ room (the ad says it can “calm down arguments,” and honestly, I can believe it).
Final thoughts: This is a sturdy, well-made, and versatile divider that’s easy to set up, reposition, and store. It looks clean and simple in any area or room and has held up well to daily use. Highly recommend if you need a practical and stylish way to create private spaces without committing to permanent walls!
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Reviewed in the United States on April 29, 2025
★★★★★ 5
Quality, and not overly complicated
Color: Black, Size: 3 Panel Standard, Color: Black, Size: 3 Panel Standard
This is so easy to put together, the parts are numbered, and the wordless instructions are clearer than some I've seen. The material/fabric is pleasant to the touch, and of decent quality. I like that the panels can be used independently of each other, or connected together, depending on your space.
Also, the cloth velcros onto the frame, so it can be removed easily for cleaning if need be, without unbolting anything.
The combined weight in the box is decent, but once built, each panel is fairly light and easy to move around, while feeling sturdy/not going to fall over unless they're being mistreated.
It's a bright sunny afternoon, and I took a picture looking towards a window, so you can see it blocks most things unless directly silhouetted by the bright light on the other side.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2025
★★★★★ 5
Great purchase, easy to put together and maneuver and does the job
Color: Black, Size: 3 Panel Standard
Easy enough to put together, the nylon curtaining is a bit thin so will either replace or just pin something decorative and thicker to it. Easy to maneuver and does what you need it to do. Right now its leaned against a set of french doors in my room which unfortunately reflect headlight from the street into the room. This has been very useful for blocking that, Also have used it for the intended purpose of privacy other places also. you can also pin the kids pictures to it to show them off, Think outside the box with this nice screen.
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Reviewed in the United States on May 24, 2025
★★★★★ 5
Divide and Conquer
Color: Black, Size: 3 Panel Standard
Multi paneled room divider. I selected black, but it does come in a couple other color choices. This divider is solidly made, weighted. This dividers provide a measure of privacy for sleeping quarters, dressing, or to conceal a messy room or things you just don't want openly viewed by others. Portable, but again it's solid so it has some weight to it. No skid bottoms and a really reasonable/affordable price. Delivery was only a couple days.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2025
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