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Description
Ronstan 60mm Single Fiddle w/ Swivel Head Core BlockProduct Description Ronstan 60mm Single Fiddle w Swivel Head Core Block Features Class leading performance and sleek, contemporary styling Excellent dynamic and high static load performance Less than half the friction of the nearest competitor Durable aluminum alloy cheek plates Central hub hole can be used as a becket take off or tie up point Integrated becket through the hub of the lower sheave Sheave 2 3 8 + 1 3 16 in. (60 + 30 mm) Max. Rope 1 2
Product Description
Ronstan 60mm Single Fiddle w/ Swivel Head Core Block
Features
Class leading performance and sleek, contemporary styling
Excellent dynamic and high static load performance
Less than half the friction of the nearest competitor
Durable aluminum alloy cheek plates
Central hub hole can be used as a becket take-off or tie-up point
Integrated becket through the hub of the lower sheave
Sheave Ø - 2 3/8 + 1 3/16 in. (60 + 30 mm)
Max. Rope Ø - 1/2 in. (12 mm)
Max. Cable Ø - in. (mm)
Pin Ø - in. (mm)
M.W.L. - 550 lbs. (1000 kg)
B. L. - 4410 lbs. (2000 kg)
Weight - 12.5 oz. (355 g)
Product Information
Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Universal Bearing -
Dynamic and high static load performance
The Ronstan Universal Bearing incorporates our proven 2-stage bearing system
Stage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.
Stage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.
Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.
Alloy cheek plates
Block cheeks are manufactured from the highest quality alloy for maximum strength. Material optimization and the cut-away design minimizes weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.
Applications
Ideal for mainsheet, halyard and spinnaker sheet applications on boats to 12m (40ft).
Various control line applications on larger yachts.
Alloy sheave models are available for use with wire.
Materials
Sheave: U.V. stabilized Acetal or anodized aluminum (AW models)
Cheek plates: Aluminum alloy
Ball Bearings: High compression strength carbon black Acetal
Features
Sheave Ø - 2 3/8 + 1 3/16 in. (60 + 30 mm)
Max. Rope Ø - 1/2 in. (12 mm)
Max. Cable Ø - in. (mm)
Pin Ø - in. (mm)
M.W.L. - 550 lbs. (1000 kg)
B. L. - 4410 lbs. (2000 kg)
Weight - 12.5 oz. (355 g)
Product Information
Core Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Universal Bearing -
Dynamic and high static load performance
The Ronstan Universal Bearing incorporates our proven 2-stage bearing system
Stage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.
Stage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.
Additionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.
Alloy cheek plates
Block cheeks are manufactured from the highest quality alloy for maximum strength. Material optimization and the cut-away design minimizes weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimizing rope wear.
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
4.4 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Great blanket
Size: Twin(60" x 80"), Color: Tie-dye Coffee
Luxurious look. It’s a soft faux fur on the top, with a beautiful and subtle variegated pattern that adds to the lifelike appearance. The inside of the blanket has a velvet feel and creates a cozy vibe. The blanket is a great size. It is well made with quality material with just the right amount of weight to help me relax and fall asleep.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Love it so much I got a second one
Size: Throw(51" x 63"), Color: Navy Blue, Size: Throw(51" x 63"), Color: Navy Blue
This blanket is perfect for snuggling. The throw size is perfect for napping or relaxing. It’s unbelievably soft. Faux rabbit fur is how I’d describe it. The color is perfect and consistent. It’s got great weight to it. It definitely has the power of nap inducement. My kids keep trying to steal it when they watch movies with me so I got a second because I’m not sharing! I’d get it in king size if they made it that big. Quality is amazing. It’s basically double layered with the top being the fluffy, bubble side and the other is a smooth yet still soft underside. It’s worth every penny and if you see it on a deal - DO NOT WAIT! Pull it out of the box and prepare to luxuriate beneath this deliciously soft and warm blanket. You DO need it!
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Perfect For Conan's Throne!
Size: Twin(60" x 80"), Color: Tie-dye Coffee, Size: Twin(60" x 80"), Color: Tie-dye Coffee
This is a nice, thick faux fur blanket. I drape it over my recliner. Now I have a throne fit for Conan the Barbarian. Washed well. Feels soft and warm. This blanket could be used as a throne cover or a bedspread. Beautiful!
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Pretty and high quality
Size: Twin(63" x 80"), Color: Dusty Pink
My favorite blanket! It’s thick, so soft, and the color is so pretty! Definitely feels high quality, and I’ve had this for several months. Worth every penny!
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Reviewed in the United States on March 22, 2026
★★★★★ 5
ABSOLUTELY SOFT FEELS LIKE MINK/FUR
Size: Twin(60" x 80"), Color: Tie-dye Coffee
WOW! ABSOLUTELY BEAUTIFUL AND SUPER SOFT. HAS SOME WEIGHT TO IT. BUT QUALITY AND FEEL IS PERFECT. JUST RECEIVED AND TOOK OUT OF THE PACKAGE. HIGHLY RECOMMEND IF YOUR LOOKING FOR SOMETHING PRETTY TO PLACE ON YOUR BED/COUCH.
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Reviewed in the United States on May 21, 2026