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Antal Low Friction Ring 5 mm Maximum Line DiameterOn SaleView all Antal Italy Products in Low Friction Rings & Ferrules

Binnacle.com #:  26690
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Antal Low Friction Ring 5 mm Maximum Line Diameter

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Black Friday Sale on now until Nov 28

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Simple and lightweight rings have revolutionized the way fixed and running rigging is designed on sailboats. They have extremely low friction, and their simplicity cuts cost and maintenance. A universal solution for barber haulers, lazy jacks and more. Use on a backstay bridle instead of a block or for 8:1 control systems.
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Binnacle.com:   #26690
Brand:  Antal Italy
MFG Part#:   R07.05
Our Price: CAD$18.95
Sale: CAD$15.95
You Save: CAD$3.00!
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Antal Low Friction Ring Maximum 5 mm Line R07.05

What are they for?

Rings replace blocks. And not just furling lead blocks, but vang cascades, too, backstays, or jib sheet leads. Since their first commercialization, in 2007, under the name of Low Friction Rings, they literally invaded the sailing market. Sailors went low tech gear, choosing simple, non-moving, unbreakable products over standard sheaves.
 
How much can it hold?

A lot. More than needed. The load isn't a problem for Rings, friction, however, maybe. Antal gives a safe working load for Rings that corresponds to a situation where the aluminum structure holds but undergoes a slight deformation. So they don't break. Nor do they ever lose their low friction property.
 
Do we have to worry about friction?

Friction gives higher values on rings than on sheaves, but how much higher? Of course, it depends on two main points: the deflection angle (180° gives higher friction than 90°) and the control system (more rings comes with more friction). It goes without saying it also depends on the Ring quality and the line material. 
 
Focusing on the first two elements (angle and number) allows us to shed some light on the complicated matter of friction. First: Rings are not suitable for all maneuvers. Second: You choose rings in cases where a loss in friction is acceptable in favor of some other benefit; weight, cost, size, durability, or resistance.
 
Where can Rings go?

Though it's not easy to determine how much more convenient it is to use blocks versus rings, there are several cases where sailors have thought that loads allow the use of rings. This also depends on the fact that some systems on sailboats are trimmed less regularly than others. Or maybe they are adjusted before tension kicks in, or maybe the load isn't in fact that high. 
 
Here is a list of possible uses: vang cascades, gennaker tacks, jib sheet leads, lazy jacks, backstays, reefing points, and any small deflection angle. (Of course, this depends also on the size of the boat! But 70' Ocean racing boats use rings.....) So why not use rings then?
 
Antal R07.05 Low Friction Ring 5mm Technical Spec's

ATTRIBUTE VALUE
Weight 3 gr
B 5 mm
C 7 mm
SWL 400 kg
Material Aluminum
D 18 mm

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Binnacle.com Shipping FAQ

Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on Binnacle.com qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (info@binnacle.com)

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. During the Holiday season, gifts purchased starting Nov 15th have an extended return period up to Jan 5th. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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