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Description
Ronstan Orbit Series 55 Single Fiddle Block w/ Becket & Swivel HeadProduct Description Ronstan Orbit Series 55 Single Fiddle Block w Becket & Swivel Head 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 in. (55 + 35mm) Max. Rope 10 in. (3 8mm) Max. Cable in (mm) Pin in. (mm) M. W. L. 550 lb. (250 kg) B. L. 1650 lb. (750 kg) Weight 3. 9 oz. (112 g) Fiddle sheave has a high load full contact bearing (ie. not ball
Product Description
Ronstan Orbit Series 55 Single Fiddle Block w/ Becket & Swivel Head
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 in. (55 + 35mm)
Max. Rope Ø - 10 in. (3/8mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 550 lb. (250 kg)
B. L. - 1650 lb. (750 kg)
Weight - 3.9 oz. (112 g)
Fiddle sheave has a high load full contact bearing (ie. not ball bearing). Main sheave has two-stage, ball bearing
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 in. (55 + 35mm)
Max. Rope Ø - 10 in. (3/8mm)
Max. Cable Ø - in (mm)
Pin Ø - in. (mm)
M.W.L. - 550 lb. (250 kg)
B. L. - 1650 lb. (750 kg)
Weight - 3.9 oz. (112 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.
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
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Just get them if you think u need them!
Style: 121PCS Clips with Tool for Honda/Acura
They got just as well as the original ones in my opinion. As long as the place you're putting them in isn't damaged they fit very snug like they're supposed to. Even came with a tool to pry them off with. I already had one before I ordered these but I did appreciate that they came with the tool just in case you don't have one. The tools make the job a lot easier. I feel like I got a good deal. For just a few dollars my car looked a little better and made a little less noise since the piece I put the fastener on would rattle a bit depending on the road but not anymore! If u need these and are wondering wether you should buy them just go for it. You really don't have much to lose and they always come in handy and are good to have around. They also fit on some other cars like Nissan and probably many more too. So far they seem pretty durable but only time will tell and I will update my review if anything should happen but for now, I feel like it was money well spent. Unlike some of my other purchases!
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Very nice
Style: 121PCS Clips with Tool for Honda/Acura
Worked very well
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Reviewed in the United States on May 25, 2026
★★★★★ 5
YES THEY ARE WORTH IT !
Style: 121PCS Clips with Tool for Honda/Acura
Spot on! Used it to secure my new grill and bumper for my 97 civic. Nice quality fasteners. Super cheap price. Simple enough to use and the different sizes were clutch for what I needed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Great for High Mileage Vehicles
Size: 5 Quarts
Reliable synthetic blend for high mileage vehicles. Castrol GTX High Mileage 20W-50 is our go-to oil for older vehicles and high-mileage units in our dealership inventory. The synthetic blend formula provides good protection for engines with significant wear. The 20W-50 viscosity helps reduce oil consumption in higher mileage engines. We've had excellent results using this in trucks and SUVs with over 100k miles. The seal conditioning additives help prevent leaks. Price point is reasonable for a quality synthetic blend. The 5-quart bottles are convenient for standard oil changes. Castrol quality and reputation you can trust. Solid choice for keeping high-mileage vehicles running strong.
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Reviewed in the United States on February 16, 2026
★★★★★ 5
Hustler raptor SD hydro oil
Size: 5 Quarts
Good quality oil used for my hustler raptor SD hydro oil. Far better price than buying a 100 dollar kit. My total cost was 40 bucks with filters.
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Reviewed in the United States on April 14, 2026